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A aterosclerose da arteria carotida e uma das principais causas do acidente vascular cerebral (AVC).() Em radiografia panorâmica odontologica (RPO), imagens radiopacas adjacentes a coluna cervical podem ser indicativas de calcificacoes na bifurcacao da arteria carotida. Elas podem representar ateromas calcificados,() cuja confirmacao diagnostica e feita por meio da ultrassonografia com Doppler.(,) Cirurgioes-dentistas podem identificar essas areas em RPO e diferencia-las de radiopacidades que podem ser observadas na regiao carotidea. A identificacao dessas areas e o encaminhamento desses individuos a [...]

Paciente do sexo masculino de 65 anos, com cirrose hepatica, apresentou dispneia subita e dor toracica algumas horas apos ser submetido a obliteracao de varizes gastricas e esofagicas por meio de injecao de solucao de cianoacrilato e Lipiodol ® . Foi submetido a tomografia computadorizada do torax ( ). […] Embolizacao pulmonar por cianoacrilato apos obliteracao de varizes gastricas

Telocyte (Tc) is a new type of classic interstitial cells, described by Popescu et al., in the human pancreas. Telocytes are found in several organs, including the human testis. They are long, thin cells , with small cell bodies, a nucleus containing heterochromatin and presence of mitochondria in the periphery, in addition to a scarcely evident nucleolus. They differ from other interstitial cells by their long moniliform cytoplasmic extensions, called telopodes (Tp), and are usually identified through their ultrastructure by transmission electron microscopy (TEM)

A 55-year-old man admitted to our emergency department complaining of right flank acute pain. He also referred epistaxis, gingival bleeding, and hematuria for the past 3 days. His physical exam demonstrated abdominal subcutaneous hematomas and he referred abdominal tenderness on palpation. Seven days before these symptoms, his daily warfarin dose has been increased. His blood tests showed that the International Normalized Ratio was markedly elevated (3.6; his previous exam from before dosage increase was 2.2). An abdominal computed tomography was [...]

Alopecia areata is an autoimmune disease and the second most frequent cause of non-scarring hair loss. Several treatments have been described but are associated to low efficacy, particularly in the more resistant clinical forms. Janus kinase inhibitors are a new therapeutic option, and it may become the first line treatment in the next few years, as topical or oral use.( – ) A 23-year-old female white female patient, with a history of alopecia areata for 12 years, presented diffuse hair [...]

A 63-year-old man came to the emergency room complaining of unverified fever and myalgia. Oropharyngeal material was collected for reverse transcription testing followed by polymerase chain reaction (RT-PCR) for coronavirus disease 2019 (COVID-19), and a chest radiography was performed (normal), and the patient was discharged to home isolation, due to his mild symptoms, until the test result. […] Quantitative analysis in COVID-19: report of an initial experience

Paciente do sexo masculino, 36 anos de idade, natural e procedente de Nova Jersey (Estados Unidos), obeso, hipertenso e diabetico, compareceu ao nosso servico sudoreico, taquipneico, taquicardico e febril (38,6°C) e saturando 90% em ar ambiente. Relatou que, ha 5 dias, procurara um servico medico nos Estados Unidos por queixa de tosse seca, coriza, mal-estar e febre referida. Na admissao, o paciente realizou radiografia () e tomografia computadorizada () de torax, que evidenciaram multiplas pequenas opacidades nodulares e consolidacoes esparsas [...]

A 34-year-old woman with a personal history of ulcerative rectocolitis for 5 years who were using sulphasalazine and mesalazine. The patient was admitted to the emergency unit presenting asthenia, dyspnea, fever, cough with hemoptoic sputum for 8 days, and oxygen saturating by 97% in room air. The computed tomography (CT) () showed sparse ground-glass opacities, although more evident in the posterior contour of lower lobes. She was hospitalized and tested positive for coronavirus infection identified through real-time reverse-transcription-polymerase-chain-reaction (RT-PCR) test. [...]

Paciente, 62 anos, encaminhada para estudo angiotomografico das coronarias devido a alteracao isquemica detectada em teste de esforco de rotina. Relatava hipertensao e dislipidemia, ambas controladas sob tratamento medicamentoso, e pratica regular de atividade fisica. Sem queixas cardiovasculares ou alteracoes ao exame fisico. Angiotomografia coronaria evidenciou origem comum das arterias coronarias atraves de tronco comum de curto trajeto, emergindo do seio de Valsalva direito e trifurcando-se em coronaria direita (CD), circunflexa (CX) e descendente anterior (DA). A CD com trajeto [...]

Varicella is a viral and usually benign disease, which commonly affects children. This disease main complication is bacterial superinfection of the skin. Ibuprofen administration, although not contraindicated, seems to increase risk of severe skin complications. – We report a case of a 21-month-old child with no family or personal relevant medical history who developed varicella with high fever since the second day of the disease. Paracetamol 15mg/kg every 8 hours and ibuprofen 7mg/kg every 8 hours were administered to the [...]

Department of Pediatric Surgery, Medical College and Hospital, Kolkata, India.Corresponding author: Mainak Dutta – Department of Otorhinolaryngology and Head-Neck Surgery – Medical College and Hospital, 88, College Street – Zip code: 700073 – Kolkata, West Bengal, India Phone: +91 9830737587 – E-mail: duttamainak@yahoo.comReceived on: Mar 4, 2014 – Accepted on: Aug 20, 2014DOI: 10.1590/S1679-45082015AI3096

Giant ulcerative lesion on the upper back: using a differential diagnosis to formulate a clinical approach

Hospital Federal dos Servidores do Estado, Rio de Janeiro, RJ, Brazil.Corresponding author: Thiago Goncalves dos Santos Martins – Universidade Federal de Sao Paulo, Rua Botucatu, 821, 2nd floor – Vila Clementino – Zip code:04023-062 – Sao Paulo, SP, Brazil Phone: (55 11) 5085-2010 – E-mail: thiagogsmartins@yahoo.com.brReceived on: July 3, 2013 – Accepted on: Dec 2, 2013DOI: 10.1590/S1679-45082015AI2902

An 86-years-old male patient was admitted to the emergency department with a 1-day history of fever, dyspnea, and cough. After an assessment, there were no criteria that justified the patient’s hospitalization, therefore, he was dismissed and instructed to continue treatment at home. One week after the onset of symptoms, the patient returned with worsening dyspnea and persistent fever, which prompted his hospitalization. A chest computed tomography (CT) demonstrated typical coronavirus disease (COVID-19) findings(,) (), and the real-time polymerase chain reaction [...]

Hospital do Espirito Santo, Evora, Portugal.Corresponding author: Joana Morgado – Pediatric Service, Hospital do Espirito Santo de Evora − Largo Senhor da Pobreza – Zip code: 7000-811 − Evora, Portugal − Phone: +00 351266740100 E-mail: joanamorgado@hotmail.comReceived on: Feb 15, 2014 – Accepted on: Aug 20, 2014DOI: 10.1590/S1679-45082015AI3079

Motivo de grande preocupacao no cenario global atual, a pandemia pelo novo coronavirus (COVID-19) tem sido um dos grandes motivos da realizacao de tomografias computadorizadas de torax, seja na avaliacao inicial ou no controle evolutivo. Esses pacientes apresentam aumento do dimero D, achado provavelmente relacionado a um estado de hipercoagulabilidade e que marca pior prognostico.( )A seguir, ilustramos dois casos de pacientes com confirmacao laboratorial de infeccao pelo coronavirus e sinais de tromboembolismo pulmonar (TEP) – associacao ja descrita.( , [...]

Centro Hospitalar Leiria Pombal, Leiria, Portugal.Corresponding author: Ricardo Monteiro − Centro Hospitalar de Leiria Pombal, Rua das Olhalvas − Centro − Zip code: 2410-196 − Leiria, Portugal − Phone: +35124481700 E-mail: ricardomiguelmonteiro@gmail.comReceived on: Apr 2, 2014 – Accepted on: Aug 20, 2014DOI: 10.1590/S1679-45082015AI3133

These eyes are usually treated with a membranectomy and pupilloplasty with or without a lensectomy. After fulfilling the anterior chamber with the viscoelastic, the pupil was mechanically distended and subsequently the fibrovascular membrane was resected (sphincterectomy was not required). For patients who require only membranectomy, it is important to be careful as not to cause traumatic cataract, by accidently touching the anterior capsule of the crystalline. In the postoperative period, the left eye was treated with prednisolone acetate 1% and cyclopentolate chloridrate 1% eyedrops. Crystalline lenses remained clear on both eyes. Posterior to that, glasses were prescribed and occlusion antisupressive therapy in partial time, of contralateral eye.

Hospital de Santa Cruz, Centro Hospitalar Lisboa Ocidental, Lisboa, Portugal.Corresponding author: Sara Pimentel Marcos – Hospital de Sao Francisco Xavier, Estrada do Forte do Alto do Duque − Sao Francisco Xavier − Zip code: 1449-005 − Lisboa, Portugal − Phone: +00351210431441 E-mail: sarasenamarcos@gmail.comReceived on: Aug 5, 2013 – Accepted on: Mar 11, 2014DOI: 10.1590/S1679-45082015AI2900

Hospital Federal dos Servidores do Estado, Rio de Janeiro, RJ, Brazil.Corresponding author: Thiago Goncalves dos Santos Martins – Universidade Federal de Sao Paulo, Rua Botucatu, 821, 2nd floor – Vila Clementino – Zip Code: 04023-062 – Sao Paulo, SP, Brazil Phone: (55 11) 5085-2010 – E-mail: thiagogsmartins@yahoo.com.brReceived on: Sep 16, 2013 – Accepted on: Jan 14, 2014DOI: 10.1590/S1679-45082015AI2979