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5. CT IMAGING OF PRIMARY PANCREATIC LYMPHOMA

Author

Facchinelli, D, Boninsegna, E, Zamboni, Ga, Ambrosetti, Mc, Pozzi Mucelli, R, Parisi, A, Veneri, D, and Ambrosetti, A

Subjects
Hematology, Hematology, Pancreas Imaging, Pancreas Imaging
Published
2017

12. Computed Tomography - General Concepts

Author

Rossi, A, Pozzi Mucelli, R, Zamboni, G, Bernardin, L, Contro, A, GENNARI, ANTONIO GIULIO, ANGILERI, ROBERTA, MARTINGANO, PAOLA, CAVALLARO, MARCO FRANCESCO MARIA, QUAIA, Emilio, Rossi, A, Gennari, ANTONIO GIULIO, Angileri, Roberta, Martingano, Paola, Cavallaro, MARCO FRANCESCO MARIA, Pozzi Mucelli, R, Zamboni, G, Bernardin, L, Contro, A, and Quaia, Emilio

Subjects
Kidney, Imaging
Abstract

N/A

Published
2014

13. Introduction to coronary imaging with 64-slice computed tomography

Author

Filippo Cademartiri, Runza G, Belgrano M, Luccichenti G, Nr, Mollet, Malagutti P, Silvestrini M, Midiri M, Cova M, Pozzi Mucelli R, Gp, Krestin, CADEMARTIRI F, RUNZA G, BELGRANO M, LUCCICHENTI G, MOLLET NR, MALAGUTTI P, SILVESTRINI M, MIDIRI M, COVA M, POZZI MUCELLI R, KRESTIN GP, Cademartiri, F., Runza, G., Belgrano, MANUEL GIANVALERIO, Luccichenti, G., Mollet, N. R., Malagutti, P., Silvestrini, M., Midiri, M., Cova, MARIA ASSUNTA, Pozzi Mucelli, R., Krestin, G. P., and Radiology & Nuclear Medicine

Subjects
Time Factors, Imaging Sensitivity and Specificity Stents Time Factors Tomography, Contrast Media, Sensitivity and Specificity, 64-row CT, Electrocardiography, Heart Rate, Spiral Computed Tomography, Image Processing, Computer-Assisted, Humans, technical improvements, Coronary Artery Bypass, Phantoms, Imaging, Patient Selection, Algorithms Artifacts Contrast Media Coronary Angiography/instrumentation/*methods Coronary Artery Bypass Coronary Stenosis/*radiography Electrocardiography Heart Rate Humans Image Processing, Computer-Assisted Patient Selection Phantoms, X-Ray Computed/instrumentation/*methods, Coronary Stenosis, coronary angiography, Computer-Assisted Patient Selection Phantom, Stents, Artifacts, Tomography, X-Ray Computed, Tomography, Spiral Computed, Algorithms
Abstract

The aim of this article is to illustrate the main technical improvements in the last generation of 64-row CT scanners and the possible applications in coronary angiography. In particular, we describe the new physical components (X-ray tube-detectors system) and the general scan and reconstruction parameters. We then define the scan protocols for coronary angiography with the new generation of 64-row CT scanners to enable radiologists to perform a CT study on the basis of the diagnostic possibilities.

Published
2005

14. Rachide

Author

Pozzi Mucelli R, Pravato M, Mosconi E., COVA, MARIA ASSUNTA, Pozzi-Mucelli R, Del Maschio A, Pozzi Mucelli, R, Cova, MARIA ASSUNTA, Pravato, M, and Mosconi, E.

Subjects
Risonanza magnetica, rachide
Published
2004

15. Artefatti

Author

Pozzi Mucelli R, Amezich V., COVA, MARIA ASSUNTA, BELGRANO, MANUEL GIANVALERIO, Pozzi-Mucelli R, Del Maschio A, Pozzi Mucelli, R, Cova, MARIA ASSUNTA, Belgrano, MANUEL GIANVALERIO, and Amezich, V.

Subjects
Risonanza magnetica, artefatti
Published
2004

16. Sistema muscolo-scheletrico rachide

Author

Pozzi Mucelli R, Pravato M, Mosconi E., COVA, MARIA ASSUNTA, Dela Maschio A, Pozzi-Mucelli R, Pozzi Mucelli, R, Cova, MARIA ASSUNTA, Pravato, M, and Mosconi, E.

Subjects
Risonanza Magnetica, mezzi di contrasto, rachide
Published
2003

17. Risonanza Magnetica in ginecologia

Author

Cova, MARIA ASSUNTA, Lubin, E, Pozzi Mucelli, R., Ferrara R, Di Carlo C, Pozzi-Mucelli R, Cova, MARIA ASSUNTA, Lubin, E, and Pozzi Mucelli, R.

Subjects
Risonanza Magnetica, ginecologia
Published
2002

19. Pancreatic intraductal papillary mucinous neoplasm invading the duodenum: a case report and a review of the literature

Author

DʼOnofrio M, Pozzi Mucelli R, Tinazzi Martini P, Pederzoli P, Pregarz M, Girelli R, and De Robertis R

Subjects
medicine.medical_specialty, Pathology, Hepatology, Intraductal papillary mucinous neoplasm, business.industry, Endocrinology, Diabetes and Metabolism, General surgery, medicine.disease, Endocrinology, medicine.anatomical_structure, Pancreatic intraductal papillary mucinous neoplasm, Internal Medicine, medicine, Duodenum, business
Published
2014

21. Procedure terapeutiche (Pancreas)

Author

Martone E, D'Onofrio M, Malagò R, Pozzi Mucelli R., FALCONI , MASSIMO, D'Onofrio Mirko, Ruzzenente Andrea, Martone, E, D'Onofrio, M, Malagò, R, Falconi, Massimo, and Pozzi Mucelli, R.

Published
2008

23. Principi fisici dei mezzi di contrasto in ecografia

Author

BERTOLOTTO, MICHELE, CALLIADA F, VERCELLI A, PASSAMONTI M, CALDERAN L, POZZI MUCELLI R., BUSILACCHI P, RAPACCINI GL, Bertolotto, Michele, Calliada, F, Vercelli, A, Passamonti, M, Calderan, L, and POZZI MUCELLI, R.

Published
2006

24. Indeterminate cystic masses

Author

BERTOLOTTO, MICHELE, POZZI MUCELLI R., Bertolotto, Michele, and POZZI MUCELLI, R.

Published
2006

32. Pancreatic duct abnormalities in focal autoimmune pancreatitis: MR/MRCP imaging findings

Author

Negrelli, R., Manfredi, Riccardo, Pedrinolla, B., Boninsegna, E., Ventriglia, A., Mehrabi, S., Frulloni, L., Pozzi Mucelli, R., Manfredi R. (ORCID:0000-0002-4972-9500), Negrelli, R., Manfredi, Riccardo, Pedrinolla, B., Boninsegna, E., Ventriglia, A., Mehrabi, S., Frulloni, L., Pozzi Mucelli, R., and Manfredi R. (ORCID:0000-0002-4972-9500)

Abstract

Aim: To evaluate the magnetic resonance (MR) imaging-MR cholangiopancreatographic (MRCP) findings of focal forms of autoimmune pancreatitis (AIP) to describe ductal involvement at diagnosis.Methods: MR examinations of 123 patients affected by AIP were analysed. We included 26 patients who satisfied International Consensus Diagnostic Criteria and were suffering from focal AIP. Image analysis included: site of parenchymal enlargement, main pancreatic duct (MPD) diameter, MPD stenosis, stricture length, presence of upstream dilation within the stricture, signal intensity, and pancreatic enhancement.Results: Signal intensity abnormalities were localized in the head in 10/26 (38.5 %) and in the body-tail in 16/26 (61.5 %) patients. MRCP showed a single MPD stenosis in 12/26 (46.1 %) and multiple MPD stenosis in 14/26 (53.8 %) patients, without a dilation of the upstream MPD (mean: 3.83 mm). Lesions showed hypointensity on T1-weighted images in all patients, and hyperintensity on T2-weighted images in 22/26 (84.6 %) patients. The affected parenchyma was hypovascular during the arterial phase in 25/26 (96.2 %) patients with contrast retention.Conclusions: MR-MRCP are effective techniques for the diagnosis of AIP showing the loss of the physiological lobulation and the typical contrastographic appearance. The presence of multiple, long stenoses without an upstream MPD dilation at MRCP suggests the diagnosis of AIP, and can be useful in differential diagnosis of pancreatic adenocarcinoma.Key Points: • MRI represents the gold standard in the diagnosis of AIP.• MRCP could be a problem-solving tool in the differential diagnosis of AIP.• MRCP is an increasingly useful technique in the diagnosis of focal AIP.

Published
2015

33. Lipiodolo Tc

Author

Pozzi Mucelli RS, Pagnan L, Pozzi Mucelli R., COVA, MARIA ASSUNTA, Dalla Palma L, Pozzi Mucelli, R, Cova, MARIA ASSUNTA, Pagnan, L, and Pozzi Mucelli, R.

Subjects
Lipiodol, Tomografia Computerizzata
Published
1995

34. Virtual stenting of iliac arteries: a new technique for choosing stents and stent-grafts by means of 3D rotational angiography. Preliminary data

Author

Fabio Pozzi Mucelli, Calgaro A, Belgrano M, Cernic S, Pozzi-Mucelli R, Pozzi Mucelli, F., Calgaro, A., Belgrano, MANUEL GIANVALERIO, Cernic, S., and Pozzi Mucelli, R.

Subjects
Aged, 80 and over, Male, Angiography, Contrast Media, Arterial Occlusive Diseases, Constriction, Pathologic, Middle Aged, rotational angiography (RA), Imaging, Three-Dimensional, Virtual stenting (VS), Iliac Aneurysm, Humans, Female, Stents, iliac artery, Angioplasty, Balloon, Software, Aged
Abstract

Virtual stenting (VS) is a new tool in the 3D processing work station of rotational angiography (RA) systems. This tool enables the 3D visualization of a stent or stent-graft in the site of a stenotic, obstructive or aneurysmatic lesion to be treated. We report the preliminary results obtained with this software in the treatment of segmental stenotic, obstructive or aneurysmal lesions of the iliac artery.Seventeen patients under-went rotational angiography and 3D reformations for one or more stenoses (19 cases), obstructive lesions (2 cases) or aneurysms (2 cases) of the common and/or external iliac artery and were treated with stents in 22/23 of cases. In all cases, the VS tool was applied to the stenotic-obstructive lesion on the identified on the 3D angiogram obtained before the stenting procedure.The measurements of the stents/stents-grafts (length, proximal and distal diameter) provided by the tool were compared to those of the stent deployed. In 22/23 procedures, the measurements of virtual stenting and those of the deployed stent showed a good level of concordance. The system failed to provide correct measurements in only one long and tortuous iliac aneurysm.The ''virtual stenting'' tool proved to be reliable and fast, and enabled a more objective selection of the stent to be deployed on a stenotic-obstructive lesion in almost all cases. In cases of aneurysms of marked tortuosity, the system tends to suggest an inappropriate stent. The possibility of manually defining the optimal stent path within the aneurysmal sac might be useful.

Published
2004

37. Contrast enhancement patterns analysis in hepatocellulat carcinomas after sulphur hexafluoride-filled microbubble injection and low acoustic power insonation: is it useful for differentiation from other lesions in patients with chronic liver disease

Author

Quaia, Emilio, D’Onofrio, M, Caffarri, S, Degobbis, F, Palumbo, A, Pozzi Mucelli, R., RSNA, Quaia, Emilio, D’Onofrio, M, Caffarri, S, Degobbis, F, Palumbo, A, and Pozzi Mucelli, R.

Subjects
liver lesions, cirrhosis, microbubbles, liver lesion, cirrhosi
Published
2004

47. US characterization of focal hepatic lesions with intermittent high acoustic power mode and contrast material

Author

Quaia, Emilio, Bertolotto, Michele, Calderan, L, Mosconi, E, Pozzi Mucelli, R., Quaia, Emilio, Bertolotto, Michele, Calderan, L, Mosconi, E, and Pozzi Mucelli, R.

Subjects
ultrasound (US), Liver neoplasms, diagnosis, liver neoplasms, US, microbubbles, ultrasound (US), contrast media, US, liver neoplasms, diagnosis, diagnosis, liver neoplasm, Liver neoplasm, microbubbles
Abstract

Rationale and Objectives. This study was performed to determine whether ultrasound (US) performed with SonoVue, a contrast agent that contains microbubbles filled with sulfur hexafluoride vapor, depicts differential patterns of contrast enhancement in focal hepatic lesions. Materials and Methods. Forty focal hepatic lesions (15 hepatocellular carcinomas [HCCs], 10 metastases, 11 hemangiomas, and four focal nodular hyperplasias) in 39 patients were evaluated by means of US, color Doppler US, and contrastenhanced US performed by using intermittent high-acoustic-power mode. Contrast-enhanced helical computed tomography (11 patients) and US-guided fine needle aspiration (28 patients) were used as reference procedures. Contrast enhancement patterns were defined by means of both subjective and objective analysis, and baseline and contrast-enhanced US scans were reviewed offline. Results. Thirteen of 15 HCCs, eight of 10 metastases, and all four hemangiomas with an atypical pattern at baseline US were correctly characterized after SonoVue injection. Two of 15 HCCs and two of 10 metastases remained indeterminate, with no characteristic baseline or contrast-enhanced patterns identified. Baseline US was essential in characterizing all hemangiomas with a typical pattern (n 7), and color Doppler US with spectral analysis of tumoral vessels was essential in characterizing focal nodular hyperplasia. The percentage of diagnostic agreement with reference procedures was significantly increased (P .001) for contrast-enhanced US compared with baseline US. Conclusion. Characteristic patterns of US contrast enhancement with SonoVue help in characterizing and differentiating focal hepatic lesions.

Published
2003

50. Focal liver lesions characterization by low acoustic power US imaging

Author

Quaia, Emilio, Bertolotto, Michele, Calderan, L, Mosconi, E, Tona, G, Pozzi Mucelli, R. S., Euroson, Quaia, Emilio, Bertolotto, Michele, Calderan, L, Mosconi, E, Tona, G, and Pozzi Mucelli, R. S.

Subjects
" lesion ", " contrast, Liver ", " ultrasound "
Published
2003

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