9 documents found, page 1 of 1
Pancreatic panniculitis in systemic lupus erythematosus and Crohn’s disease: ra...
Silva,Lucas N. Lessa e; Pereira,Miguel Augusto M.; Nunes,Marcella F.; Vilar,Enoï G.; Pantaleão,LucianaABSTRACT Pancreatic panniculitis (PP) is a rare manifestation of pancreatic disease, involving subcutaneous adipose tissue. We report two cases of this entity: a 37-year-old female patient with systemic lupus erythematosus (SLE) and an elderly woman with Crohn’s disease. These are two chronic autoimmune inflammatory diseases that can be uncommonly related to acute pancreatitis and that culminates in PP. We also...
Interstitial mycosis fungoides
Pereira,Miguel Augusto M.; Toledo,Mayara; Arkader,Breno; Pantaleão,LucianaABSTRACT Interstitial mycosis fungoides (IMF) is a rare variant of mycosis fungoides, a cutaneous T-cell non-Hodgkin’s lymphoma. It is characterized by an interstitial dermal infiltrate of lymphocytes and histiocytes between collagen bundles. We report the case of a 54-year-old patient with pruritic hypochromic macules on the arms and forearms diagnosed with IMF. Special attention was given to the anatomopathol...
First report of hemosiderotic adenodermatofibroma in Brazil
Pereira,Miguel Augusto M; Pantaleão,Luciana; Rochael,Mayra CABSTRACT Hemosiderotic adenodermatofibroma is a recently recognized lesion, characterized by a dermal nodule with cystic structures of an apocrine gland, surrounded by a dermatofibroma-like stroma with hemosiderotic macrophages. We present the first case report of this entity in Brazil together with representative images, in addition to a review on the subject and discussion about the apocrine origin of this le...
Merkel cell carcinoma in an immunosuppressed patient
Góes,Heliana Freitas de Oliveira; Lima,Caren dos Santos; Issa,Maria Cláudia de Almeida; Luz,Flávio Barbosa; Pantaleão,LucianaAbstract Merkel cell carcinoma is an uncommon neuroendocrine carcinoma with a rising incidence and an aggressive behavior. It predominantly occurs in older patients, with onset occurring at a mean age of 75-80 years. Recognized risk factors are ultraviolet sunlight exposure, immunosuppression, and, more recently, Merkel cell polyomavirus. We report a case of Merkel cell carcinoma in a young HIV positive patient...
Lichen planopilaris developed during childhood
Góes,Heliana Freitas de Oliveira; Dias,Maria Fernanda Reis Gavazzoni; Salles,Simone de Abreu Neves; Lima,Caren dos Santos; Vieira,Müller da SilvaAbstract: Lichen planopilaris is a disease that appears with lymphocytic cicatricial alopecia. It is considered a follicular variant of lichen planus. The examination of affected areas shows alopecia with perifollicular erythema and scaling, revealing a predilection for hair follicles. The involvement of children is uncommon, with few reports in this population in the literature. This study presents a clinical ...
Coexistence of nail lichen planus and lichen planus pigmentosus
Lemes,Luciana Rodino; Verde,Renata Brandão Villa; Durães,Sandra Maria Barbosa; Araripe Junior,Adolpho de Alencar; Pantaleão,LucianaAbstract We describe a fifty-six-year old, Afro-descendent female patient showing dystrophy of her twenty nails and hyperchromic, asymptomatic macule on her face. Histopathological examination of the macule showed vacuolization of the basal layer, melanophages in the superficial dermis and lymphoplasmocytic inflammatory infiltrate. Nail biopsy revealed orthokeratotic hyperkeratosis and lichenoid inflammatory in...
Report of two cases of vacuolar interface dermatitis initially suspected as mel...
Pantaleão,Luciana; Orofino-Costa,Rosane; Torres,Mariléia C.; Lazova,Rossitza; Rochael,Mayra C.ABSTRACT The diagnosis of melanocytic lesions can be challenging and immunohistochemical study is a valuable tool for dermatopathologists. We report two cases initially simulating melanoma in situ, reviewing the histopathological and immunohistochemical findings and the cases published in the literature with similar findings/results. We emphasize the importance of clinicopathological correlation in the evaluati...
Síndrome de Sweet: estudo de 73 casos, com ênfase nos achados histopatológicos
Rochael,Mayra Carrijo; Pantaleão,Luciana; Vilar,Enoï A. Guedes; Zacaron,Luciana Helena; Spada,Eduardo Quelhas; Xavier,Marcus H. S. BFUNDAMENTOS: A síndrome de Sweet corresponde a um conjunto de alterações cutâneas, sistêmicas e histopatológicas como resposta a diversos estímulos, semelhantes ao eritema nodoso, ao eritema multiforme e à vasculite leucocitoclásica. São descritas condições associadas como infecção, gravidez, uso de drogas e malignidades. OBJETIVOS: Avaliar as alterações clínicas e histopatológicas da síndrome, relacionando-a a...
Estudo da espessura da regressão como fator prognóstico nos melanomas cutâneos ...
Pantaleão,Luciana; Rochael,Mayra CarrijoINTRODUÇÃO: O diagnóstico de melanomas cutâneos finos (MCF) é cada vez mais freqüente. Essas lesões, inicialmente associadas a excelente prognóstico, têm apresentado recidiva ou metástases e, às vezes, óbito. Muitas variáveis têm sido estudadas e, embora nenhuma delas tenha esclarecido tal comportamento, a regressão e seu possível impacto negativo têm merecido atenção. A regressão tardia é referida pelos autore...