121 results on '"Paksoy Y"'
Search Results
2. Radiation dose and diagnostic accuracy of high-pitch dual-source coronary angiography in the evaluation of coronary artery stenoses
- Author
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Koplay, M., Erdogan, H., Avci, A., Sivri, M., Demir, K., Guler, I., Demir, L.S., and Paksoy, Y.
- Published
- 2016
- Full Text
- View/download PDF
3. Subungual glomus tumour: magnetic resonance imaging findings
- Author
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Koç, O, Kivrak, A S, and Paksoy, Y
- Published
- 2007
4. Acquired ocular motor apraxia from bilateral frontoparietal infarcts associated with Takayasu arteritis
- Author
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Genç, B O, Genç, E, Açk, L, İlhan, S, and Paksoy, Y
- Published
- 2004
5. Omental fibroma: CT and US findings
- Author
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Paksoy, Y., Şahin, M., Açıkgözoğlu, S., Ödev, K., and Ömeroğlu, E.
- Published
- 1998
- Full Text
- View/download PDF
6. Distress triggered cervical root compression pain by looped vertebral artery
- Author
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Kalkan, E., Paksoy, Y., Reisli, R., and Topatan, Hi
- Subjects
Vertebral artery -- Health aspects ,Spinal cord compression -- Causes of -- Health aspects ,Anxiety -- Health aspects ,Health ,Health aspects ,Causes of - Abstract
Byline: E. Kalkan, Y. Paksoy, R. Reisli, Hi. Topatan Sir, A 21-year-old girl presented with a 20-day history of right-sided cervicobrachialgia radiating in her hand and fingers. Whenever she was [...]
- Published
- 2005
7. Penile mondor's disease [Penil Mondor Hastali{dotless}?i{dotless}]
- Author
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Koplay M., Islamo?lu N., Erol C., Paksoy Y., and Selçuk Üniversitesi
- Subjects
Color Doppler US ,Penile mondor's disease ,Dorsal penile vein thrombosis - Abstract
Penile Mondor's disease (PMD) is superficial thrombophlebitis of the dorsal vein of the penis. It is a rare but easily diagnosed and treated disease. Although PMD is a benign disease, it can be cause the psychological problems such as anxiety. In addition, it is clinically confused with lesion of the penis such as sclerosing lymphangitis and Peyronie's disease. Therefore, the early diagnosis and treatment is important. In differential diagnosis, color Doppler ultrasonography is useful. We reported the clinical findings, diagnosis and treatment of PMD together with literature information in a patient 25 years-old.
- Published
- 2014
8. A giant hamartoma of tuber cinerium: Conventional MR imaging and MR spectroscopy findings [Tuber sineryumun dev bir hamartomu: Konvansiyonel MR ve MR spektroskopi bulgulari{dotless}]
- Author
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Koplay M., Erdo?an H., Sivri M., Erol C., Varo?lu A., Paksoy Y., and Selçuk Üniversitesi
- Subjects
congenital, hereditary, and neonatal diseases and abnormalities ,Tuber cinerium ,Hypothalamic hamartoma ,Giant ,Spectroscopy ,MR imaging - Abstract
Hypothalamic hamartoma is a developmental malformation in the region of tuber cinereum and mamillary bodies. It presents the most commonly detectable lesion in patients with precocious puberty and is associated with gelastic seizures. As well as, it can be completely silent to be found only incidentally. Computed tomography (CT) and magnetic rezonans (MR) imaging are preferred imaging modalities in diagnose of hypothalamic hamartomas. The aim of this study is to present the radiologic imaging findings of a rare hypothalamic hamartoma case.
- Published
- 2014
9. Aortico-left ventricular fistula associated with infective endocarditis [İnfektif endokardit ile birlikte görülen aort-sol ventrikül arasi fistül]
- Author
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Özdemir K., Do?an U., Narin C., Paksoy Y., Yeniterzi M., Göktekin O., and Selçuk Üniversitesi
- Abstract
PubMed: 20693118, [No abstract available]
- Published
- 2010
10. Dynamic obstruction of inferior vena cava flow caused by right-sided diaphragmatic elevation [Sa?-tarafli diyafram yükselmesinin neden oldu?u vena kava inferiyor akiminin dinamik tikaniklı?i]
- Author
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Do?an U., Özdemir K., Paksoy Y., Gök H., and Selçuk Üniversitesi
- Abstract
PubMed: 20929685, [No abstract available]
- Published
- 2010
11. Poster presentations
- Author
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Aksu F, Topacoglu H, Arman C, Atac A, Tetik S, Hasanovic A, Kulenovic A, Mornjakovic Z, Pikula B, Sarac-Hadzihalilovic A, Voljevica A, Bamac B, Colak T, Alemdar M, Dundar G, Selekler M, Dincer O, Colak E, Ozbek A, Kilic C, Kamburoglu K, Ozen T, Kavak V, Kirici Y, Oztas E, Soysal HA, Unur E, Ekinci N, Karaca O, Malakhova O, Kocaoglu M, Toker S, Taser F, Kilincoglu V, Yurtgun MF, Dalcik C, Zeybek A, Baroncini M, Peltier J, Jissendi P, Pruvo JP, Francke JP, Prevot V, Kosif R, Arifoglu Y, Diramali M, Sarsilmaz M, Kose E, Ogeturk M, Akpinar B, Kus I, Meydan S, Kara A, Kurtoglu Z, Tekdemir I, Elhan A, Bas O, Odaci E, Mollaoglu H, Ucok K, Kaplan S, Senoglu M, Nacitarhan V, Kurutas EB, Senoglu N, Altun I, Atli Y, Ozbag D, Karakas S, Bilgin MD, Tellioglu AM, Ozlem S, Akcanal B, Yildiz Y, Gunes H, Kose H, Uzum I, Gundogmus UN, Caglayan C, Pavlova V, Dimitrova M, Georgieva L, Nikolova E, Uzmansel D, Ozturk NC, Saylam CY, Ozgiray E, Orhan M, Cagli S, Zileli M, Ozkan D, Akkaya T, Comert A, Balikci N, Ozdemir E, Gumus H, Ergul Z, Kaya O, Altun S, Unlu RE, Orbay H, Kim DI, Han SH, Kim YS, Kim HJ, Lee KS, Elcioglu O, Ozden H, Guven G, Imre N, Yalcin B, Ozan H, Akyer P, Guvencer M, Karatosun V, Sagoo MG, Aland RC, Ustuner D, Ustuner MC, Ai J, Ghazi SR, Mansouri SH, Tuncer MC, Aluclu MU, Karabulut O, Hatipoglu ES, Nazaroglu H, Icke C, Akbay E, Gunay T, Icke S, Yildiz S, Yazar F, Barlas BO, Zahoi DE, Kavakli A, Tas U, Dabak DO, Sapmaz HI, Kocabiyik N, Ozer CM, Ozcan A, Elevli L, Desdicioglu K, Alanbay I, Govsa F, Akdogan I, Kiroglu Y, Onur S, Evcil EH, Cankara N, Malas MA, Kalcioglu MT, Duman S, Ulcay T, Uzun A, Karabulut Z, Barut C, Sevinc O, Yurdakan G, Kacar D, Erdogan AR, Kurt H, Demir B, Saltan M, Burukoglu D, Degirmenci I, Erdogan A, Damar O, Is M, Bayramoglu G, Kabay S, Uysal O, Senturk H, Bayramoglu A, Ozbayar C, Kutlu A, Canbek M, Cevli SC, Hancerlioglu O, Koplay M, Aksakalli E, Dikici F, Kale A, Gayretli O, Gurses IA, Ozdemir ST, Ercan I, Baskan EB, Yilmaz M, Ozkaya G, Saricaoglu H, Erturk M, Kayalioglu G, Uzel M, Kahraman G, Tanyeli E, Soyluoglu AI, Tacar O, Demirant A, Bilgin M, Karadede A, Aktas A, Koyuncu E, Sulak O, Albay S, Ozguner G, Ozbek E, Ozturk AH, Demirci T, Ciftcioglu E, Demir MT, Kopuz C, Eroglu E, Gedikli S, Ozyurek H, Nural MS, Incesu L, Ogur G, Kara E, Celebi B, Yildiz A, Altunkaynak BZ, Kuvat SV, Tagil SM, Ertekin C, Uysal H, Bademkiran F, Albayrak N, Esmer AF, Coskun NK, Sindel M, Kizilay F, Yalin S, Karapinar N, Tokdemir M, Karakurt L, Tumkaya L, Korkmaz A, Ayas B, Ciftci N, Terzi Y, Baran O, Nergiz Y, Akkus M, Aluclu U, Topal AE, Yuksel D, Acar HI, Kendir S, Hekimoglu E, Basman D, Ozener B, Pelin C, Zagyapan R, Kurkcuoglu A, Koc M, Erdinc M, Erdinc L, Kelle I, Sancakdar E, Cetin N, Tunik S, Yildirim A, Kaplanoglu I, Ayaz E, Ilhan N, Okumus M, Yuksel KZ, Ciralik H, Yilmaz Z, Gumusalan Y, Gamsizkan M, Kazkayasi M, Unver Dogan N, Uysal II, Karalezli A, Fazliogullari Z, Buyukmumcu M, Bozkurt MC, Cicekcibasi AE, Demiryurek D, Ozsoy MH, Tuccar E, Baran OP, Soker S, Bahceci S, Nasir Y, Yilmaz MT, Cicekcibasi EA, Ulusoy M, Gunaslan P, Bilge N, Akkaya M, Genc A, Akcer S, Gonul Y, Cosar E, Koken G, Ari I, Bakirci S, Kafa IM, Uysal M, Karabulut AK, Keles B, Emlik D, Uyar Y, Ozturk K, Yilmaz NA, Salbacak A, Kacira BK, Arazi M, Demirci S, Kiresi D, Gumus S, Seker M, Uyar M, Astaneh ME, Khorshid A, Uygur R, Songur A, Sonmez OF, Dogan KH, Kolcu G, Iliescu M, Bordei P, Iliescu D, Ciobotaru C, Lucescu V, Covaleov A, Ionescu C, Guirao M, Páramo E, Mutuberria R, Sánchez-Montesinos I, Roda O, Girón F, Lopez-Soler M, Campos-López R, Guirao-Piñeiro M, Pascual-Morenilla MT, Sanchez-Montesinos I, Pascual MT, Garzon I, Serrato D, Nieto-Aguilar R, Sanchez-Quevedo M, Ozdemir MB, Ozean RH, Bagdatli D, Adiguzel E, Dogan Z, Aycan O, Vardi N, Erkal HS, Ozturk H, Mocanu S, Stefanescu C, Ionescu A, Talpes R, Sapte E, Dina C, Surdu L, Bulbuc I, Medina MT, Medina J, López-Soler M, Martin-Oviedo C, Lowy-Benoliel A, Maranillo E, Martinez-Guirado T, Sañudo J, Scola B, Vazquez T, Arráez-Aybar LA, Conejo-Menor JL, Gonzáles-Gómez CC, Torres-García AJ, Nasu H, Chiba S, Gutierrez-Semillera M, Paksoy Y, Kalaycioglu A, Yildirim M, Ozyasar A, Ozdogmus O, Cakmak YO, Verimli U, Cavdar S, Yildizhan B, Aktan Ikiz ZA, Ucerler H, Ozgur Z, Yilmaz S, Demirtas A, Mavili E, Hacialiogullari M, Susar H, Arslan S, Aycan K, Ozkaya V, Pilmane M, Boka S, Ortug G, Ramirez C, Pascual-Font A, Valderrama-Canales F, Kucukalic A, Kapur E, Talovic E, Baca V, Grill R, Horak Z, Kachlik D, Dzupa V, Konarik M, Knize J, Veleminsky P, Smrzova T, Otcenasek M, Chmelova J, Kheck M, Cupka T, Hnatek L, van der Meijs F, Cech P, Musil V, Ozkan HM, Muratli SK, Tayefi H, Ergur I, Kiray A, Toktas M, Alkoc O, Acar T, Uzun I, Ozen OA, Aycicek A, Alkoc OA, Unlu M, Corumlu U, Ikiz IC, Oygucu IH, Sendemir E, Kaner T, Caglar V, Eser O, Iyigun O, Pirzirenli G, Kaya AH, Aydin ME, Celik F, True H, Ozkaya S, Ergur BU, Zeybek G, Bacakoglu K, Tadjalli M, Poostpasand A, Mansouiri SH, Allahvaisi O, Soleimanirad J, Nikkhoo B, Nagato Y, Haruki Y, Yazawa K, Okazaki T, Haida M, Imai Y, Peirouvi T, Mahzad-Sadaghiani M, Noroozinia F, Siamak S, Farjah G, Mola S, Biegaj E, Skadorwa T, Pawlewicz K, Kapolka R, Chachulska A, Zabicka J, Krasowska A, Prusik A, Jaczewski G, Kolesnik A, Taghavi MM, Alavi SH, Moallem SA, Safikhani Z, Panahi M, Dabiri S, Shekaari MA, Latorre R, Soria F, Lopez-Albors O, Sarria R, Ayala I, Serrano I, Perez-Cuadrado E, Musienko V, Tkachenko D, Colakoglu N, Kus MA, Jalali M, Nikravesh MR, Moeen AA, Karimfar MH, Rafighdoost H, Mohammadi S, Korneeva M, Rafighdoust H, Lovasova K, Bolekova A, Kluchova D, Sulla I, Kapitonova MY, Syed Ahmad Fuad SB, Jayakaran F, Shams AR, Aghaee F, Baqer Z, Faroki M, Das S, Kassim N, Latiff A, Suhaimi F, Ghafar N, Hlaing KP, Maatoq I, Othman F, Kiray M, Bagriyanik HA, Pekcetin C, Ozogul C, Fidan M, Sun F, Sanchez-Margallo F, Gil F, Crisostomo V, Uson J, Ramirez G, Turamanlar O, Kirpiko O, Haktanir A, Climent S, Losilla S, Climent M, Sarikcioglu L, Senol Y, Yildirim FB, Utuk A, Kunicki J, Pasbakhsh P, Omidi N, Omidi H, Nazhvani FD, Ghalebi SR, Javan N, Mohagery A, Bideskan AR, Taheri MM, Fazel AR, Tiengo C, Macchi V, Stecco C, Porzionato A, Mazzoleni F, De Caro R, Clemente A, Morra A, Greco P, Pavan P, Natali A, Demir M, Dokur M, Acer N, Mavi A, Matveeva N, Lazarova D, Korneti K, Jovevska S, Jurkovik D, Papazova M, Havasi M, Alboghobeish N, Savari A, Salamat N, Sharifi M, Kwak HH, Hu KS, Kim GC, Park BS, Sinav A, Gulati AK, Gulati NK, Alshammary H, Nazhvani SD, Vafafar A, Esmaeilpour T, Bahmanpour S, Elyasi L, Monabbati A, Ghanadi M, Paryani MR, Gilanpour H, Amirsam B, Omaña RE, López SG, De la Garza Castro O, Vega EU, Lopez SG, Talebpour F, Golmohammadi R, Dashti G, Atlasi MA, Mehdizadeh M, Bahadori MH, Joghataei MT, Hatami L, Boroujeni MB, Estakhr J, Esfandiary E, Marzban M, Bakhtiary M, Modiry N, Jafarpur M, Mofidpur H, Mahmoudian A, Jafarpour M, Mahmoudian AR, Sanjarmousavi N, Doassans I, Sorrenti N, Decuadro G, Saibene A, Poumayrac M, Laza S, Almiron C, Vergara ME, Soria V, Lasa S, Perez A, Castro G, Maria AS, Soleimani M, Katebi M, Bakhshayesh M, Oner M, Halici M, Yikilmaz A, Guney A, Turk Y, Edizer M, Beden U, Icten N, Afshar M, Hasanzadeh Taheri MM, Moalem A, Golalipour MJ, Tamizi A, Ahi M, Mohammadpour S, Maiery A, Acikel C, Ulkur E, Karagoz H, Celikoz B, Bedi K, Ginus P, Golalipoor MJ, Mohammadi MR, Jhand P, Mansourian AR, Hosseinpoor K, Keshtkar AA, Alsaffar R, Balajadeh BK, Ghafari S, Azarhosh R, Fazeli SA, Jahanshahi M, Gharravi AM, Alicioglu B, Karakas HM, Harma A, Yang HM, Won SY, Lee JG, Lee JY, Kim YR, Song WC, Koh KS, Hwang EN, Choi HG, Kim SH, Kim SY, Hur MS, Ulucam E, Celbis O, Kim DH, Hong HS, Choi JH, Park JT, Kim HC, Abbasi H, Hosseinipanah SM, Hosseini M, Amani A, Ashrafi HR, Sadeghimehr M, Sheverdin V, Amani Z, Ashrafi A, Ashrafi AR, Javad H, Kachap MJ, Poumayrac MC, Almirón C, Rivara A, Sirilo A, Freire D, Cirillo A, Veragara ME, Krmek V, Krmek N, Jo-Osvatic A, Nikolic V, Radic R, Tubbs RS, Loukas M, Fogg Q, Ashwood N, Cilingiroglu S, Ozbakir C, Mazoochi T, Sabanciogullari V, Gumus C, Erdil FH, Cimen M, Moodi H, Ghiasi F, Akbari A, Hami J, Khazei M, Haghparast E, Mitsakis I, Anastasiou A, Mitsakis M, Sianou K, Hainoglou R, Francisco M, Mitsaki C, Konstantinidi M, Prapa S, Leksan I, Mrcela T, Selthofer R, Kermanian F, Ahmadpoor ME, Dalili N, Elian AH, Moaiery A, Jamalpour Z, Nourani MR, Asgari A, Hassanzadeh Taheri MM, Ebrahimzadeh A, Eftekharvaghefi SH, Mohammadi A, Sheibani V, Nematollahi-Mahani SN, Latifpour M, Deilami M, Soroure-Azimzadeh B, Nabipour F, Najafipour H, Nakhaee N, Yaghoobi M, Eftekharvaghefi R, Salehinejad P, Azizi H, Riasi HR, Nobakht M, Asalgoo S, Rahbar R, Najafzadeh N, Moosavizadeh K, Ezzatabadypour M, Majidi M, Malekpor-Afshar R, Karimzade F, Hoseini M, Bayat M, Gorgi A, Nezhadi A, Bakhtiari M, Jazi HR, Jafaryan M, Haghir H, Rahimi S, Rassouli FB, Gorji A, Habibi A, Pouya F, Mousavi A, Rajabalian S, Abolidokht A, Khanlarkhani N, Naderian H, Berjis N, Namavar MR, Talaei T, Mazaheri Z, Monabati A, Kosar MI, Karacan K, Chegini H, Nikzad H, Ayhan E, Ustundag S, Akkin SM, Ogut T, Rayegan P, Meibodi MA, Ghaem RM, Zargarpoor R, Eftekhar Vaghefi SH, Moshkdanian G, Poya F, Kohestani H, Abarghoeai RR, Abarghoeai PR, Mahmodi AA, Poraboli A, Kohestani HR, Vaghefi RE, Eftekhar Vaghefy SH, Vaghefy RE, Saba M, Javadnia F, Zhaleh M, Nezhad DB, Gholami MR, Piagkou M, Aikaterini VK, Piagkos G, Douvetzemis S, Skandalakis P, Anagnostopoulou S, Papadopoulos N, Celik HH, Tatar I, Tatar EC, Mocan BO, Sargon MF, Denk CC, Rasoolijazi H, Joghataie MT, Roghani M, Dinc G, Kurklu M, Ozboluk S, Komurcu M, Koebke J, Balioglu MB, Kaygusuz MA, Bozkus FS, Korkmaz O, Bayram SB, Can MA, Nasiri E, Jafar-Kazemi K, Maghoul S, Amini A, Hassanzade MM, Davari MH, Van Hoof T, Gomes GT, Audenaert E, Verstraete K, Kerckaert I, D'Herde K, Benninger B, Hedley G, Filipoiu FM, Tarta E, Enyedi M, Pantu C, Stanciulescu R, Skobowiat C, Calka J, Majewski M, Rezaian M, Yaghoobfar A, Hamedi S, and Shomali T
- Published
- 2009
12. Age and gender related changes in bronchial tree: a morphometric study with multidedector CT.
- Author
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ULUSOY, M., UYSAL, I.I., KIVRAK, A. S., OZBEK, S., KARABULUT, A. K., PAKSOY, Y., and DOGAN, N. U.
- Abstract
OBJECTIVE: The aims of this study are the identification of differences in the diameter, length, area and branching angles of the trachea and bronchi with gender and age, and the identification of trachea types by using MDCT images. PATIENTS AND METHODS: The thoracic MDCT images of 253 patients (0-74 years old, 142 male and 111 female) were evaluated. Tracheal diameter, tracheal cross-sectional area, diameter and length of bronchi, and several angles of the bronchial tree [e.g. subcarinal angles (SCA), interbronchial angles (IBA)] were measured. RESULTS: Average anteroposterior and transverse diameter of the trachea in adult patients were measured as 15.8 ± 2.9 mm and 17.5 ± 3.7 mm respectively. Average tracheal cross-sectional areas in adult patients were calculated as 160.7 ± 41.3 mm
2 in females and as 275.7 ± 57.3 mm2 in males. Four types of trachea were identified as circular (68% in adults, 73% in children), oval (13%, 15%), rectangular (11%, 5%) and horseshoe shaped (8%, 7%). The average right and left SCA were calculated as 34.5' ± 8.1' and 38.1' ± 8.9' respectively. The average right and left IBA were calculated as 32.4' ± 7.7' and 35.2' ± 8.1' respectively. CONCLUSIONS: The findings of this study may be helpful during bronchoscopy and tube and stent application procedures. MDCT seems to be a convenient technique for the evaluation of the bronchial tree. [ABSTRACT FROM AUTHOR]- Published
- 2016
13. Anterior spinal artery aneurysm presenting with spinal cord compression: MRI and MRI angiographic findings
- Author
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Koc, O., primary, Ozbek, O., additional, Paksoy, Y., additional, and Kocaogullari, Y., additional
- Published
- 2010
- Full Text
- View/download PDF
14. Role of diffusion-weighted MR in differential diagnosis of intracranial cystic lesions
- Author
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Bükte, Y., primary, Paksoy, Y., additional, Genç, E., additional, and Uca, A.U., additional
- Published
- 2005
- Full Text
- View/download PDF
15. Vertebral artery loop formation: a frequent cause of cervicobrachial pain.
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Paksoy Y, Levendoglu FD, Ögün CÖ, Ustün ME, Ögün TC, Paksoy, Yahya, Levendoglu, Funda Dinç, Ogün, Cemile Oztin, Ustün, Mehmet Erkan, and Ogün, Tunç Cevat
- Abstract
Study Design: Patients with cervicobrachial pain were examined in detail with special attention to vertebral artery loop formation.Objectives: To determine the incidence, short-time natural course and response to a conservative approach to vertebral artery loop formation in a group of patients with cervicobrachial pain.Summary Of the Background Data: Vertebral artery loop formation is reported to be a rare cause of cervicobrachial neuralgia, discovered incidentally during the search for its cause. It can be congenital or acquired, occurring equally in both sexes. Surgical decompression has been the preferred method in the majority of reported cases, with favorable results.Methods: One hundred seventy-three patients with cervicobrachial pain were examined in a period of 7 months using physical examination, radiography, and magnetic resonance imaging with or without angiography.Results: Thirteen patients with a mean age of 43.9 +/- 13.5 years were diagnosed with vertebral artery loop formation. The most common level was C6-C7. Four patients presented with loop formation at two levels. None of the patients had symptoms attributable to intervertebral disc pathology. The complaints were in accordance with the level of the vascular pathology. Complete relief or decrease in pain was observed in all patients with the conservative approach.Conclusions: In patients with cervicobrachialgic symptoms and without established discopathy, during the examination of sagittal magnetic resonance images, vertebral artery loop formation should be kept in mind, and in suspected cases, the vertebral artery should be visualized using three-dimensional time of flight magnetic resonance angiography. Vertebral artery-nerve root relation should also be demonstrated using the multiplanar reformatting method from time of flight images. A conservative course of treatment has a favorable outcome. [ABSTRACT FROM AUTHOR]- Published
- 2003
- Full Text
- View/download PDF
16. Sonographically guided percutaneous treatment of hepatic hydatid cysts: long-term results.
- Author
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Odev, K, Paksoy, Y, Arslan, A, Aygün, E, Sahin, M, Karaköse, S, Baykan, M, Arikoğlu, H, and Aksoy, F
- Published
- 2000
17. Age and gender related changes in bronchial tree: A morphometric study with multidedector CT
- Author
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Ulusoy, M., Uysal, I. I., Kivrak, A. S., Ozbek, S., Ahmet Kagan Karabulut, Paksoy, Y., and Dogan, N. U.
18. Epstein-Barr virus encephalitis: Findings of MRI, MRS, diffusion and perfusion
- Author
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Orhan Ozbek, Koç, O., Paksoy, Y., Aydin, K., and Nayman, A.
19. Neurological picture. Anterior spinal artery aneurysm presenting with spinal cord compression: MRI and MRI angiographic findings.
- Author
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Koc O, Ozbek O, Paksoy Y, Kocaogullari Y, Koc, Osman, Ozbek, Orhan, Paksoy, Yahya, and Kocaogullari, Yalcin
- Published
- 2010
- Full Text
- View/download PDF
20. Treatment of periodontoid pannus with infliximab in a patient with rheumatoid arthritis.
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Salli A, Sahin N, Paksoy Y, Kucuksarac S, and Ugurlu H
- Published
- 2009
- Full Text
- View/download PDF
21. The Unusual Clinical Features and Treatment Modalities in Acute Thrombosis of Inferior Vena Cava.
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Gormus, N., Ozergin, U., Paksoy, Y., Ustun, M. E., Yuksek, T., and Solak, H.
- Subjects
VENA cava inferior ,CARDIOVASCULAR diseases ,BLOOD coagulation ,THROMBOSIS ,ULTRASONIC imaging ,MEDICAL imaging systems - Abstract
Thrombosis of deep veins of lower extremity is associated with a variety of symptoms. However, inferior vena cava thrombosis has a more varying clinical statement with higher mortality rates when untreated. Between 1996 November and 2003 July 12 patients were hospitalized in our department because of inferior vena cava thrombosis. In all cases swollen legs and associated leg pain were the most faced symptoms. Doppler ultrasonography revealed the correct diagnosis among these cases, however MRI was used in 4 cases. The study shows that Inferior vena cava thrombosis is associated with a variety of symptoms, however sciatica is an astonishing complaint. In these cases doppler sonography may be insufficient for explaining the cause of sciatica, therefore MRI may provide better images.
- Published
- 2004
22. Subungual glomus tumour: magnetic resonance imaging findings.
- Author
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Ko, O., Kivrak, A. S., and Paksoy, Y.
- Subjects
CASE studies ,TUMORS ,MAGNETIC resonance imaging ,RADIOGRAPHY ,X-rays - Abstract
The present study aims to present a case of a subungual glomus tumour with literature to the findings on magnetic resonance (MR) imaging. A 51-year-old man consulted his physician because of a pain in the nail bed of his thumb, which he had had for 2 years. A plain radiography and MR examination was performed. Physical examination showed a blue-brown focus beneath the nail and there was deformation. A plain radiography demonstrated no abnormality. T1-weighted spin-echo images showed a well-marginated, oval, slightly hyperintense lesion (4 mm diameter) located in the subungual region. On turbo spin-echo T2-weighted images the lesion was hyperintense with a hypointense rim. T1-weighted spin-echo images after intravenous administration of contrast medium showed strong enhancement. The lesion was completely excised at surgery and the diagnosis of a glomus tumour was established histologically. In conclusion, MR imaging offers excellent diagnostic information about a clinically suspected glomus tumour. [ABSTRACT FROM AUTHOR]
- Published
- 2007
- Full Text
- View/download PDF
23. Pulmonary MR angiography in Swyer-James syndrome.
- Author
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Yakut ZI, Sakarya ME, Paksoy Y, Koc O, Ozbek O, Suerdem M, Uzun K, Kivrak AS, and Odev K
- Abstract
Aim: The aim of this study was to investigate the pulmonary magnetic resonance angiography (MRA) imaging findings in Swyer- James syndrome (SJS) as a alternative imaging modalities. Methods: Thirteen patients had posteroanterior inspiratory/expiratory chest X-ray films and pulmonary MRA with SJS (6 males, 7 females) were retrospectively studied. Gradient-echo pulmonary MRA was performed in all patients with a 1.5 T MR unit. MRA imaging was performed in a single breath-hold during the injection of contrast media. Image analysis of the patients was performed. The results of pulmonary artery diameters and pulmonary peripheral vasculature were compared between normal sides versus the affected sides. Statistical analysis was performed with the Student t test. Results: The smaller pulmonary artery on the affected side with poor peripheral vasculature was observed with gadolinium-enhanced gradient-echo MRA in all patients. There was a significant difference between the diameters of the pulmonary arteries of the normal versus the disease sides (p< 0.0005). Conclusion: MRA successfully depicted the small pulmonary artery with diminished peripheral vasculature in patients with SJS. This study showed the pulmonary MRA imaging could be used as a alternative imaging modalities in the evaluation of patient with SJS. [ABSTRACT FROM AUTHOR]
- Published
- 2009
24. A comparison of individual force decline profiles during a fatiguing eccentric trunk flexion and extension protocol: a pilot study.
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Paksoy Y, Kpobi D, Henschke J, Risch L, and Engel T
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Introduction: Muscle fatigue, characterized by diminished force production and contraction sustainability, can impair muscle coordination and increase joint instability. Differing force profiles used in fatiguing tasks, such as prolonged eccentric trunk protocols, might provide insights into individualized strategies and resulting spinal stability. Thus, this study assessed individual differences in fatigue characteristics during an eccentric trunk flexion-extension protocol in a population of asymptomatic individuals., Methods: Twelve participants (2 f/10 m, 29 ± 4 years, 78.4 ± 16.9 kg, 1.76 ± 0.10 m) performed an eccentric trunk flexion and extension protocol on an isokinetic dynamometer (45° flexion to 10° extension; 60°/s), with final analysis on 8 participants for trunk flexion and 11 for trunk extension due to data exclusions. Participants engaged in a maximal all-out (AO) task for 2 min. Each participant's torque output (Nm) was assessed on a repetition-by-repetition basis, and smoothened by a moving average of 5 repetitions. Individual time profiles for reaching fatigue thresholds (10%, 15%, 20% and 30% reduction of initial torque output), and inter subject variability (by coefficient of variation, CV in %) were assessed throughout the AO task. Further, percentage torque reduction and variability were assessed at mid (1-minute) and end (2-minute) of task., Results: On average, for flexor and extensor muscles combined, participants reached a force reduction of 10% within 23.2 ± 19.1 s, of 15% within 44.9 ± 19.6 s, of 20% in 62.4 ± 26.3 s, and of 30% within 79.2 ± 21.8 s. The variability between individuals for the timepoint of reaching the defined torque thresholds was assessed by CV ranged between 23.4% and 103.8% for trunk flexor muscles, and between 28.4% and 56.5% for trunk extensor muscles., Discussion: A reduction of up to 20% was seen on average for all participants within 1-minute of eccentric trunk flexion and extension. Different inter-individual force output profiles were seen throughout the AO protocol, potentially related to physiological, skill-based, technical, adaptational, and/or motivational factors. The increase in fatigue resulted in a reduction in variability among individuals. A 2-minute protocol effectively induced pronounced fatigue, offering insights into individual force profiles and strategies., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (© 2024 Paksoy, Kpobi, Henschke, Risch and Engel.)
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- 2024
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25. Injury to the circuit of Papez: An overlooked cause of recurrent seizures.
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Aker L, Vattoth S, and Paksoy Y
- Abstract
Key Clinical Message: Papez' circuit is a unique neural pathway in the limbic system that is correlated with seizure activity. Injuries affecting Papez' circuit are often small and unusual in location but can be identifiable in MRI and functional imaging modalities, which can be helpful in the workup of refractory epilepsy., Abstract: The Papez circuit is a unique neural pathway in the limbic system of the brain. We review a patient presenting with recurrent seizures as the main manifestation of Papez' circuit pathology. The radiologic features of ischemia involving the mammillothalamic tract in Papez' circuit were correlated with the seizure activity., Competing Interests: The authors do not have any financial relationship with any commercial organization that may have a direct or indirect interest in the content. The authors do not have a conflict of interest to declare., (© 2023 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.)
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- 2023
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26. Cerebral developmental venous anomalies in children with mismatch repair deficiency.
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Kara B, Paksoy Y, Çağlayan AO, Seher N, Akbaş H, and Köksal Y
- Subjects
- Male, Female, Humans, Child, Infant, Cafe-au-Lait Spots diagnosis, Retrospective Studies, DNA-Binding Proteins genetics, Medulloblastoma genetics, Cerebellar Neoplasms
- Abstract
Background: Constitutional mismatch repair deficiency (CMMRD) is one of the rare cancer predisposition syndromes. The aim of this study was to evaluate the cerebral developmental venous anomalies in children with central nervous system tumors associated with CMMRD, an area in which there is extremely little experience., Methods: Data from children diagnosed with medulloblastoma and high grade central nervous sytem tumor were retrospectively collected. According to the European CMMRD criteria, nine patients were diagnosed as CMMRD syndrome and the others consisted of the group without CMMRD. All radiological examinations of these children were retrospectively reviewed. Whole exome sequencing was performed to index cases` germline DNA., Results: Nine children from four families, six females and three males, were studied. The median age at the first tumor diagnosis was 4.5 years (range, 9 months to 14 years). All CMMRD patients had café au lait spots, but none fulfilled the diagnostic criteria for neurofibromatosis. The patients developed high-grade glial tumor (n: 7) and medulloblastoma (n: 2). The affected genes in the three families were MSH6 [c.478C > T (p.Gln160Ter)], MSH6 [c.2871dupC (p.Phe958LeufsTer5)] and MLH1 [c.236G > A(p.Arg79Lys)], respectively. Seven patients had multiple developmental venous anomalies; six patients had leptomeningeal enhancement; and five patients had cavernomas. None of these findings were present in the group without CMMRD., Conclusions: Constitutional mismatch repair deficiency should be considered when multiple developmental venous anomalies, cavernomas, and leptomeningeal enhancement are detected, especially in patients with café au lait spots.
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- 2022
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27. Can Dynamic Susceptibility Contrast Perfusion Imaging be Utilized to Detect Isocitrate Dehydrogenase Gene Mutation in Gliomas?
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Kilincer A, Cebeci H, Seher N, Durmaz MS, Uysal E, Sahinoglu M, Koktekir E, Karabagli H, Karabagli P, and Paksoy Y
- Subjects
- Adult, Aged, Female, Humans, Isocitrate Dehydrogenase genetics, Magnetic Resonance Imaging methods, Male, Middle Aged, Mutation, Perfusion Imaging, Retrospective Studies, Young Adult, Brain Neoplasms diagnostic imaging, Brain Neoplasms genetics, Brain Neoplasms pathology, Glioma diagnostic imaging, Glioma genetics
- Abstract
Aim: To explore the ability of dynamic susceptibility contrast perfusion imaging (DSC-PI) to detect isocitrate dehydrogenase (IDH) gene mutation in gliomas., Material and Methods: Preoperative DSC-PI data on histopathologically proven gliomas obtained between January 2015 and December 2019 were reviewed retrospectively. All magnetic resonance imaging (MRI) examinations were performed using a 1.5-T scanner. The maximum relative cerebral blood volume (rCBVmax), percentage signal recovery (PSR), and normalized PSR of tumor cores were calculated. Differences in these values between IDH-mutant and wild-type gliomas were compared, and receiver operating characteristic curves were generated., Results: The patients (32 females, 47 males) were aged 21-76 years (mean 50.7 ± 15 years). The rCBVmax and all PSR values differed significantly between patients with IDH-mutant and those with wild-type tumors (p < 0.01 for all comparisons)., Conclusion: The rCBVmax and PSR values obtained by DSC-PI may facilitate noninvasive detection of the IDH mutation status of gliomas. PSR provided more reliable values for differentiation of IDH-mutant gliomas from wild-type gliomas.
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- 2022
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28. Hyponatremia and extrapontine myelinolysis in a patient with COVID-19: A case report.
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Abd Ur Rehman M, Abdulrahman AF, Zainab A, Paksoy Y, and Kharma N
- Abstract
Until we have strong evidence to the contrary, symptomatic hyponatremia should be treated with extra caution in COVID-19 co-infection patients as the latter could be another risk factor for the development of extrapontine myelinolysis., Competing Interests: In compliance with the ICMJE uniform disclosure form, all authors declared no conflict of interest., (© 2021 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.)
- Published
- 2021
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29. Precise discrimination between meningiomas and schwannomas using time-to-signal intensity curves and percentage signal recoveries obtained from dynamic susceptibility perfusion imaging.
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Cebeci H, Kilincer A, Duran Hİ, Seher N, Şahinoğlu M, Karabağlı H, Karabağlı P, and Paksoy Y
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- Humans, Magnetic Resonance Imaging, Perfusion Imaging, Retrospective Studies, Meningeal Neoplasms diagnostic imaging, Meningioma diagnostic imaging, Neurilemmoma diagnostic imaging
- Abstract
Background and Purpose: Meningiomas and schwannomas are common extra-axial brain tumors. Discrimination is challenging in some locations when characteristic imaging features are absent. This study investigated the accuracy of percentage signal recoveries obtained from dynamic susceptibility contrast perfusion imaging (DSC-PI) in discriminating meningiomas and schwannomas., Material and Methods: Retrospective database research was conducted. Sixty nine meningioma and 15 schwannoma having DSC-PI between January 2016 and February 2020 were included. Time to signal intensity curves (TSIC) were analyzed and grouped as T1-dominant leakage, T2*-dominant leakage and return to baseline. Relative cerebral blood volume (rCBV), relative mean transit time (rMTT), percentage signal recovery 1 (PSR 1) and PSR 2 values were calculated. The differences between the groups were investigated. Receiver operating characteristic curves were operated., Results: rCBV, rMTT, PSR 1 and PSR 2 values were statistically different between meningiomas and schwannomas. PSR 2 provided the best discrimination. With the cut off value of 1.08 for PSR 2, meningiomas and schwannomas were differentiated with 95.7% sensitivity and 93.3% specificity. TSICs were also different between two groups. Most of meningiomas showed T2*-dominant leakage (78.2%), whereas most of shwannomas showed T1-dominant leakage (93.3%)., Conclusion: DSC-PI is a useful imaging tool for non-invasive discrimination of meningiomas and schwannomas. Particularly, percentage signal recoveries discriminates meningiomas and schwannomas with high sensitivity and specificity., (Copyright © 2020 Elsevier Masson SAS. All rights reserved.)
- Published
- 2021
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30. Delayed Radiation Myelopathy in a Child With Hodgkin Lymphoma and ARTEMIS Mutation.
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Kara B, Seher N, Ucaryilmaz H, Yavas G, Paksoy Y, Artac H, Stray-Pedersen A, and Koksal Y
- Subjects
- Child, Female, Humans, Mutation, Radiation Injuries etiology, Radiation Injuries pathology, Spinal Cord Diseases pathology, Spine pathology, Spine radiation effects, DNA-Binding Proteins genetics, Endonucleases genetics, Hodgkin Disease genetics, Hodgkin Disease radiotherapy, Spinal Cord Diseases etiology
- Abstract
The authors present a case of delayed radiation myelopathy in a 12-year-old girl with Hodgkin lymphoma and Artemis mutation. This is the first of such a case presented in the literature., Competing Interests: The authors declare no conflict of interest., (Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.)
- Published
- 2021
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31. An Incidental Finding of Scalp Angiosarcoma: A Case Report.
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Alwarqi AF, Abdurabu M, Gopalakrishnan P, Paksoy Y, and Abu Ageila M
- Abstract
Scalp angiosarcoma is a malignant tumor of the vascular endothelial cells. We present the case of an elderly male patient with a history of urinary bladder transitional cell cancer and trauma (falling on his head) who came to the emergency department with scalp swelling, which was found on brain imaging to infiltrate into the skull, reaching the dural matter. A biopsy was done, which showed angiosarcoma, which is rare for that area. Further studies are recommended to establish if there is a possible genetic association between both cancers (urinary bladder transitional cell cancer and scalp angiosarcoma) as both arise from endothelial cells., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2021, Alwarqi et al.)
- Published
- 2021
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32. Spectrum of neuroimaging findings in COVID-19.
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El Beltagi AH, Vattoth S, Abdelhady M, Ahmed I, Paksoy Y, Abou Kamar M, Alsoub H, Almaslamani M, Alkhal AL, Own A, and Elsotouhy A
- Subjects
- Adult, Aged, Female, Humans, Male, Middle Aged, COVID-19 complications, Nervous System Diseases diagnostic imaging, Nervous System Diseases etiology, Neuroimaging
- Abstract
An outbreak of corona virus disease 2019 (COVID-19) began in China in December 2019, and rapidly spread to become a worldwide pandemic. Neurological complications encountered in hospitalized patients include acute arterial ischemic cerebrovascular stroke, cerebral venous thrombosis, critical illness-associated cerebral microbleeds, hypertensive hemorrhagic posterior reversible encephalopathy, meningoencephalitis/flare up of infections, flare up of multiple sclerosis, acute disseminated encephalomyelitis , cerebral hemodynamic/hypoxic changes such as watershed ischemic changes and hypoxic ischemic encephalopathy, and spine manifestations of Guillain Barre syndrome and viral myelitis. The purpose of our study is to illustrate the different neuroimaging features in critically ill hospitalized COVID-19 positive patients in the State of Qatar.
- Published
- 2021
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33. Correction to: Advanced imaging in adult diffusely infiltrating low-grade gliomas.
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Bulakbaşı N and Paksoy Y
- Abstract
The original article [1] contains errors in Table 1 in rows k
trans and Ve ; the correct version of Table 1 can be viewed in this Correction article.- Published
- 2020
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34. Advanced imaging in adult diffusely infiltrating low-grade gliomas.
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Bulakbaşı N and Paksoy Y
- Abstract
The adult diffusely infiltrating low-grade gliomas (LGGs) are typically IDH mutant and slow-growing gliomas having moderately increased cellularity generally without mitosis, necrosis, and microvascular proliferation. Supra-total resection of LGG significantly increases the overall survival by delaying malignant transformation compared with a simple debulking so accurate MR diagnosis is crucial for treatment planning. Data from meta-analysis support the addition of diffusion and perfusion-weighted MR imaging and MR spectroscopy in the diagnosis of suspected LGG. Typically, LGG has lower cellularity (ADC
min ), angiogenesis (rCBVmax ), capillary permeability (Ktrans ), and mitotic activity (Cho/Cr ratio) compared to high-grade glioma. The identification of 2-hydroxyglutarate by MR spectroscopy can reflect the IDH status of the tumor. The initial low ADCmin , high rCBVmax , and Ktrans values are consistent with the poor prognosis. The gradual increase in intratumoral Cho/Cr ratio and rCBVmax values are well correlated with tumor progression. Besides MR-based technical artifacts, which are minimized by the voxel-based assessment of data obtained by histogram analysis, the problems derived from the diversity and the analysis of imaging data should be solved by using artificial intelligence techniques. The quantitative multiparametric MR imaging of LGG can either improve the diagnostic accuracy of their differential diagnosis or assess their prognosis.- Published
- 2019
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35. Neuro-Behçet disease presented with pachymeningitis in a child.
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Alkan G, Kartal A, Emiroğlu M, and Paksoy Y
- Subjects
- Adolescent, Behcet Syndrome drug therapy, Behcet Syndrome physiopathology, Brain Diseases drug therapy, Brain Diseases physiopathology, Diagnosis, Differential, Female, Glucocorticoids administration & dosage, Headache etiology, Humans, Magnetic Resonance Imaging, Meningitis drug therapy, Meningitis physiopathology, Behcet Syndrome diagnostic imaging, Brain Diseases diagnostic imaging, Meningitis diagnostic imaging
- Abstract
Behçet's disease (BD) is a rare systemic vasculitis disorder of unknown etiology characterized by recurrent oral and genital apthae and uveitis. It involves the central or peripheral nervous system; occurs rarely during childhood. Isolated acute aseptic meningitis is extremely uncommon. We report here a case of Neuro-Behçet disease (NBD) diagnosed in a 14-year-old girl. The patient presented acute headache, diplopia, papilla edema, and meningeal irritation. She had a history of recurrent oral ulcers. Brain magnetic resonance imaging revealed pachymeningitis. Pleocytosis and pressure increase were the cerebrospinal fluid findings. Although medical therapy, her complaints were not resolved. Uveitis was not detected, pathergy test was negative. HLA-B51 allele was positive. The findings were considered to unusual NBD. The patient improved dramatically after steroid therapy. BD should be considered in differential diagnosis of meningitis unless an infectious agent is demonstrated. To our knowledge, a case of pachymeningitis with NBD, was not described in children., Competing Interests: The authors report no conflicts of interest in this work., (Sociedad Argentina de Pediatría.)
- Published
- 2019
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36. Small Cell Lung Carcinoma Metastasis to Atypical Meningioma: Importance of Perfusion Magnetic Resonance Imaging Graphics in Differential Diagnosis.
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Danisman MÇ, Koplay M, Paksoy Y, Keleşoğlu KS, Karabağlı P, and Köktekir E
- Abstract
We described the imaging findings of small cell lung carcinoma metastasis to atypical meningioma and the importance of magnetic resonance imaging perfusion graphics at the differential diagnosis. To be able to determine subtypes of meningiomas and differentiate whether they are malignant or benign may provide a preoperative idea to determine prognosis and surgical procedure., (Copyright © 2019 Elsevier Inc. All rights reserved.)
- Published
- 2019
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37. Hydatid disease of the liver with portal vein invasion mimicking portal vein thrombosis.
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Ertan G, Ulus S, Kilicarslan R, Yilmaz M, Paksoy Y, and Erol C
- Subjects
- Aged, Diagnosis, Differential, Humans, Male, Portal Vein parasitology, Tomography, X-Ray Computed, Ultrasonography, Doppler, Color, Echinococcosis, Hepatic diagnostic imaging, Portal Vein diagnostic imaging, Thrombosis diagnostic imaging
- Abstract
Hydatid cyst disease is a zoonosis caused by the parasite Echinococcus. It may infest any organ of the body, but it most frequently involves the liver, lungs, and nervous system. Portal vein involvement by hydatid cyst disease is extremely rare with only five cases published in the English literature to our knowledge. We present the ultrasonography (US) and computed tomography (CT) findings of a 77-year-old male with hydatid disease of the liver with portal vein invasion mimicking portal vein thrombosis. Colour Doppler US confirmed the lack of blood flow within the portal vein and stigmata of cavernomatosis. CT clearly demonstrated a communication between the multiloculated lesion and the portal vein and the multiple daughter vesicles obstructing the portal vein. The consideration of this complication will make it possible to distinguish this entity from portal vein thrombosis and, thus, the management of the patients with hydatid cyst disease particulary in endemic regions., (Copyright © 2019 Pan-Arab Association of Gastroenterology. Published by Elsevier B.V. All rights reserved.)
- Published
- 2019
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38. An atypical isolated CNS blast crisis in chronic myeloid leukaemia.
- Author
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Sivri M, Paksoy Y, Dağlı M, Keles Oğlu KS, and Koplay M
- Subjects
- Aged, Antineoplastic Agents administration & dosage, Blast Crisis, Humans, Image Enhancement methods, Immunosuppressive Agents administration & dosage, Leukemia, Myelogenous, Chronic, BCR-ABL Positive drug therapy, Leukemia, Myelogenous, Chronic, BCR-ABL Positive pathology, Magnetic Resonance Imaging, Maintenance Chemotherapy methods, Male, Neuroimaging methods, Treatment Outcome, Brain diagnostic imaging, Central Nervous System Diseases diagnosis, Central Nervous System Diseases drug therapy, Central Nervous System Diseases etiology, Central Nervous System Diseases physiopathology, Cytarabine administration & dosage, Glucocorticoids administration & dosage, Imatinib Mesylate administration & dosage, Leukemia, Myelogenous, Chronic, BCR-ABL Positive complications, Methotrexate administration & dosage, Spinal Cord diagnostic imaging
- Published
- 2018
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39. Microcystic meningioma: difficulties in diagnosis and magnetic resonance imaging findings.
- Author
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Danisman MC, Kelesoglu KS, Sivri M, Koplay M, and Paksoy Y
- Subjects
- Female, Humans, Middle Aged, Magnetic Resonance Imaging, Meningeal Neoplasms diagnostic imaging, Meningioma diagnostic imaging
- Published
- 2017
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40. An aggressive parameningeal rhabdomyosarcoma with multiple spinal cord metastases: a case report and review of the literature.
- Author
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Yavas G, Karabagli P, Paksoy Y, Yavas C, Karabagli H, and Koksal Y
- Subjects
- Child, Fatal Outcome, Female, Humans, Meningeal Neoplasms therapy, Neoplasm Invasiveness pathology, Rhabdomyosarcoma therapy, Spinal Cord Neoplasms therapy, Meningeal Neoplasms diagnostic imaging, Rhabdomyosarcoma diagnostic imaging, Spinal Cord Neoplasms diagnostic imaging
- Abstract
Purpose: Spinal cord metastasis from rhabdomyosarcoma (RMS) is extremely rare, with three cases reported to date. Herein, we report an aggressive case of RMS of the infratemporal fossa who which developed spinal cord metastases during treatment., Case Presentation: A 6-year-old girl presented with an enlarging painless mass around her right ear for 3 months. An enhanced magnetic resonance imaging (MRI) revealed a 5 × x4 × x4.5 5 cm mass on her right infratemporal fossa. A tru-cut biopsy was performed, and histopathologic examination revealed the diagnosis of rhabdomyosarcoma. At the time of the diagnosis, cerebrospinal fluid cytology was negative for malignant cells. The patient underwent induction chemotherapy. There was minimal response to chemotherapy, and the patient underwent curative radiotherapy. However, by 12th fraction of RT, the patient developed a progressive weakness on her lower extremity. Spinal MRI revealed multiple gross masses in different parts of the spinal cord. The local radiotherapy was changed toas craniospinal radiotherapy. However, two 2 weeks after the completion of the RT, the patient developed sepsis and expired because of septic shock., Conclusion: Parameningeal RMS is a peculiar subgroup of RMS, which needs an aggressive approach. Despite aggressive approach, meningeal spread is the most important cause of the treatment failure. We should keept in mind that during the treatment, there can be meningeal spread towards to either the brain or spinal cord; therefore, we should follow -up the patients closely from this aspect.
- Published
- 2017
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41. Solitary Langerhans cell histiocytosis of the cavernous sinus with orbital extension in an adult.
- Author
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Guler I, Sivri M, Nayman A, Erdogan H, and Paksoy Y
- Subjects
- Craniotomy methods, Histiocytosis, Langerhans-Cell diagnosis, Humans, Magnetic Resonance Imaging methods, Male, Middle Aged, Treatment Outcome, Cavernous Sinus surgery, Histiocytosis, Langerhans-Cell surgery, Orbital Diseases surgery
- Published
- 2016
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42. Cervical giant pseudomeningocele presented with neck pain: conventional MRI and MR myelography findings.
- Author
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Cebeci H, Koplay M, Sivri M, and Paksoy Y
- Published
- 2016
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43. Diagnostic accuracy and effective radiation dose of high pitch dual source multidetector computed tomography in evaluation of coronary artery bypass graft patency.
- Author
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Koplay M, Guneyli S, Akbayrak H, Demir K, Sivri M, Avci A, Erdogan H, and Paksoy Y
- Subjects
- Aged, Computed Tomography Angiography methods, Female, Graft Survival, Humans, Male, Middle Aged, Radiation Dosage, Radiation Exposure prevention & control, Radiation Protection methods, Radiometry, Relative Biological Effectiveness, Reproducibility of Results, Sensitivity and Specificity, Coronary Angiography methods, Coronary Artery Bypass, Coronary Artery Disease diagnostic imaging, Coronary Artery Disease surgery, Multidetector Computed Tomography methods, Radiation Exposure analysis, Vascular Patency
- Abstract
Objective: The aim of the study was to evaluate the diagnostic accuracy and effective radiation dose (ERD) of high pitch dual source multidetector computed tomography (MDCT) for coronary artery bypass graft (CABG) patency., Materials and Methods: Fourty-five patients who underwent 128 × 2‑slice MDCT angiography with a prospective electrocardiogram-triggering, low-dose, high pitch, dual source, flash spiral acquisition mode after CABG surgery were included in the study. The interobserver agreement of the image quality was evaluated with Cohen κ value. The image quality was compared to the heart rates (HRs) using Mann-Whitney U test and to the graft segments using χ(2) test. The findings for the CABG patency on MDCT were compared to those determined on catheter coronary angiography. Dose-length product (DLP) and ERD were compared to the gender, HRs, and body mass index (BMI) of the patients using Kruskall Wallis and Mann-Whitney U tests., Results: A total of 110 grafts and 330 vessel segments were evaluated with a good interobserver agreement (κ = 0.80). The image quality was better in proximal and middle graft segments (p < 0.05), as well as in the patients with low HRs (p < 0.05). High pitch MDCT had the following sensitivity, specificity, positive predictive value, negative predictive value, and diagnostic accuracy for evaluation of graft patency: 92.8, 99.3, 92.8, 99.3 and 98.8 %, respectively. ERD was correlated to the HRs and BMI., Conclusions: High pitch 128 × 2‑slice dual source CT angiography is a noninvasive imaging modality, and it can be safely and effectively used in evaluation of CABG patency with lower radiation dose.
- Published
- 2016
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44. Quantitative Assessment of Left Ventricular Function and Myocardial Mass: A Comparison of Coronary CT Angiography with Cardiac MRI and Echocardiography.
- Author
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Kara B, Nayman A, Guler I, Gul EE, Koplay M, and Paksoy Y
- Abstract
Background: The purpose of this study was to compare the left ventricular parameters obtained from multi-detector row computed tomography (MDCT) studies with two-dimensional echocardiography (2DE), and magnetic resonance imaging (MRI), which is accepted as the gold standard in the evaluation of left ventricular functions. The study also aimed to evaluate whether or not there is a relationship between the MR-Argus and CMR tools software programs which are used in post-process calculations of data obtained by MRI., Material/methods: Forty patients with an average age of 51.4±14.9 years who had been scanned with cardiac MDCT were evaluated with cardiac MRI and 2DE. End-diastolic volume (EDV), end-systolic volume (ESV), stroke volume (SV), ejection fraction (EF), cardiac output (CO), and myocardial mass values calculated by MDCT, MRI, and 2DE were compared with each other. Two different MR software programs were used to compare left ventricular functions. The CMR tools LV tutorials method is accepted as the gold standard because it can be used in three-dimensional functional evaluation. The Pearson Correlation and Bland-Altman analysis were performed to compare the results from the two MR methods (MR-Argus and CMR tools) and the results from both the MDCT and the 2DE with the CMR tools results., Results: Strong positive correlations for EF values were found between the MDCT and CMR tools (r=0.702 p<0.001), and between the MR-Argus and CMR tools (r=0.746 p<0.001). The correlation between the 2DE and CMR tools (r=0.449 p<0.004), however, was only moderate. Similar results were obtained for the other parameters. The strongest correlation for ESV, EDV, and EF was between the two MR software programs. The correlation coefficient between the MDCT and CMR tools is close to the correlation coefficient between the two software programs. While the correlation between 2DE and CMR tools was satisfactory for ESV, EDV, and CO values, it was at a moderate level for the other parameters., Conclusions: Left ventricular functional analysis can be performed easily and reliably with cardiac MDCT used for coronary artery evaluation and it also gives more accurate results than 2DE.
- Published
- 2016
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45. Unusual reason of spinal cord infarction: tuberculous meningitis.
- Author
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Koplay M, Erdogan H, Sivri M, Nayman A, and Paksoy Y
- Subjects
- Adult, Humans, Infarction pathology, Magnetic Resonance Imaging, Male, Infarction complications, Spinal Cord pathology, Tuberculosis, Meningeal complications
- Published
- 2016
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46. Effects of body mass index, mesenteric and abdominal subcutaneous adipose tissue on the spinopelvic parameters.
- Author
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Uysal E, Paksoy Y, Koplay M, Nayman A, and Gumus S
- Subjects
- Adiposity, Adolescent, Adult, Body Mass Index, Female, Humans, Male, Mesentery diagnostic imaging, Middle Aged, Organ Size, Radiography, Reproducibility of Results, Sensitivity and Specificity, Statistics as Topic, Turkey, Young Adult, Abdominal Fat diagnostic imaging, Adipose Tissue diagnostic imaging, Body Weight, Lumbar Vertebrae diagnostic imaging, Pelvis diagnostic imaging, Subcutaneous Fat diagnostic imaging
- Abstract
Purpose: The purpose of this study was to investigate the effects of body mass index (BMI), thickness of the abdominal subcutaneous adipose tissue (ASAT), thickness of the mesenteric adipose tissue (MAT), weight and height on spinopelvic parameters., Methods: A total of 400 patients presented to the radiology department for whole abdominal computed tomography were included in the study. Patients' weight and height were measured to calculate BMI. Thickness of ASAT and MAT, lumbosacral angle (LSA), sacral slope (SS), pelvic tilt (PT), and pelvic incidence (PI) were measured from the images obtained. We analyzed the effects of BMI, ASAT, and MAT on spinopelvic parameters. In addition, patients included in the study were screened for isthmic spondylolisthesis and transitional vertebrae. Statistical analysis was carried out using SPSS 15.0 package software. p < 0.05 Values were considered statistically significant., Results: BMI and thickness of ASAT and MAT increased with aging both in male and female individuals. There was a positive correlation between PI and weight, thickness of ASAT and thickness of MAT, while a negative correlation was found between PI and height (p < 0.01). SS angle was positively correlated with weight (p < 0.01). A weak positive correlation was found between PT angle and thickness of MAT and height (p < 0.05). The rate of transitional vertebrae and isthmic spondylolisthesis was 2 and 4.6%, consecutively. PI and SS values were significantly higher in the subjects having spondylolisthesis than normal population (p < 0.01)., Conclusion: It should be kept in mind that obesity might increase the risk for development of spondylolisthesis by causing increase in PI angle.
- Published
- 2015
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47. Holospinal epidural abscess in a child patient: magnetic resonance imaging findings.
- Author
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Koplay M, Sivri M, Emiroglu MK, Guler İ, Karabagli H, and Paksoy Y
- Published
- 2015
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48. Synovial Hemangioma of the Knee Joint: Magnetic Resonance Imaging Findings.
- Author
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Guler I, Nayman A, Koplay M, and Paksoy Y
- Abstract
Background: Synovial hemangioma is benign tumor of the joints and is seen relatively rare. The most affected joint is knee but should also be seen in other joints. The disease is usually symptomatic. They are classified as juxta-articular haemangioma, intra-articular haemangioma or an intermediate type of hemangioma with intra- and extraarticular components., Case Report: A 19-years-old male patient presented with swollen and painful knee. The laboratory findings and physical examination were normal. MRI demonstrated a large lesion that was filling the suprapatellar bursa., Conclusions: All radiologic examinations should be used in diagnosis but magnetic resonance imaging is the non-invasive method and excellent modality in the evaluation of soft tissues. In this paper, a 19-year-old male patient with the diagnosis of synovial hemangioma is reported and its radiologic findings are mentioned.
- Published
- 2015
- Full Text
- View/download PDF
49. Effect of radiation dose reduction on image quality in adult head CT with noise-suppressing reconstruction system with a 256 slice MDCT.
- Author
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Baskan O, Erol C, Ozbek H, and Paksoy Y
- Subjects
- Adult, Female, Head diagnostic imaging, Humans, Male, Middle Aged, Reproducibility of Results, Sensitivity and Specificity, Signal-To-Noise Ratio, Brain diagnostic imaging, Multidetector Computed Tomography methods, Radiation Dosage, Radiation Protection methods, Radiographic Image Enhancement methods, Radiographic Image Interpretation, Computer-Assisted methods
- Abstract
The purpose of our study was to investigate the effect of iterative reconstruction (IR) as a dose reduction system on the image quality (IQ) of the adult head computed tomography (CT) at various low-dose levels, and to identify ways of setting the amount of dose reduction. We performed two noncontrast low-dose (LD) adult head CT protocols modified by lowering the tube current with IR which were decided in the light of a group of phantom studies. Two groups of patients, each 100 underwent noncontrast head CT with LD-I and LD-II, respectively. These groups were compared with 100 consecutive standard dose (STD) adult head CT protocol in terms of quantitative and qualitative IQ. The signal-to-noise ratio (SNR) of the white matter (WM) and gray matter (GM) and contrast-to-noise ratio (CNR) values in the LD groups were higher than the STD group. The differences were statistically significant. When the STD and the LD groups were compared qualitatively, no significant differences were found in overall quality. By selecting the appropriate level of IR 34%, radiation dose reduction in adult head CT can be achieved without compromising IQ.
- Published
- 2015
- Full Text
- View/download PDF
50. Cytomegalovirus-associated transverse myelitis: a review of nine well-documented cases.
- Author
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Arslan F, Yilmaz M, Paksoy Y, Karagöz E, and Mert A
- Subjects
- Cytomegalovirus Infections complications, Humans, Male, Middle Aged, Myelitis, Transverse virology, Cytomegalovirus Infections diagnosis, Myelitis, Transverse diagnosis
- Abstract
Abstract Cytomegalovirus-associated transverse myelitis is a rare disease. We found 12 cases in the medical literature, 8 of which met our criteria for being well documented. Our aim was to review this clinical entity using information from our own clinical experience as well as published cases.
- Published
- 2015
- Full Text
- View/download PDF
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