Histopathology
Mostrando 13-24 de 986 artigos, teses e dissertações.
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13. Blastoid mantle cell lymphoma: cutaneous infiltration
Abstract Mantle cell lymphoma is an aggressive B-cell, non-Hodgkin’s lymphoma, with lymph node or extranodal origin, and a mean survival of three to five years. Skin involvement is rare, secondary and indicates neoplasia dissemination. The authors report a case of a female patient, 69 years old, diagnosed previously, after lymph node and bone marrow biopsy
An. Bras. Dermatol.. Publicado em: 2021-08
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14. Case for diagnosis. Infraorbital schwannoma
Abstract We report a 40-year-old man, with an unremarkable personal and family history, who presented for evaluation of an asymptomatic papule located on his right cheek. Histopathology revealed an encapsulated neoplasm within the dermis; composed by narrow, elongated, and wavy cells with an ill-defined cytoplasm, dense chromatin and tapered ends intersperse
An. Bras. Dermatol.. Publicado em: 2021-06
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15. Sweet syndrome associated with secondary nodular syphilis in an immunocompetent patient
Abstract Sweet syndrome is an inflammatory disease characterized by fever, neutrophilia, papules and erythematous plaques, and a skin neutrophilic infiltrate. Syphilis has been reported among the infectious causes of Sweet syndrome. Syphilis can present atypical manifestations; a rare presentation is nodular syphilis, characterized by nodules with granulomas
An. Bras. Dermatol.. Publicado em: 2021-06
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16. Case-fatality and hospitalization rates for dermatological diseases in Brazil in the context of the COVID-19 pandemic
Abstract We report a 40-year-old man, with an unremarkable personal and family history, who presented for evaluation of an asymptomatic papule located on his right cheek. Histopathology revealed an encapsulated neoplasm within the dermis; composed by narrow, elongated, and wavy cells with an ill-defined cytoplasm, dense chromatin and tapered ends intersperse
An. Bras. Dermatol.. Publicado em: 2021-06
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17. Cutaneous leiomyosarcoma: a 20-year retrospective study and review of the literature
Abstract Background: Cutaneous leiomyosarcoma is a rare malignant neoplasm with muscular origin, representing 2%-3% of all cutaneous soft tissue sarcomas. Objectives: The aim of this study was to characterize clinicopathological features of patients diagnosed with cutaneous leiomyosarcoma in our center over the last 20-years. Methods: A retrospective stud
An. Bras. Dermatol.. Publicado em: 2021-06
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18. The risk of post-polypectomy bleeding among patients receiving antithrombotic agents: A prospective observational study
ABSTRACT BACKGROUND: In July 2012, the Japan Gastroenterological Endoscopy Society updated their guidelines for gastroenterological endoscopy in patients receiving antithrombotic therapy. Colonoscopic polypectomy procedures are associated with a high risk of bleeding. OBJECTIVES: The present study evaluated the safety of colonoscopic polypectomy procedur
Sao Paulo Med. J.. Publicado em: 2021-06
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19. Scurvy: hard to remember, easy to diagnose and treat,
Abstract Small vessel vasculitis with anti-proteinase antibodies 3 is an atypical clinical presentation of tuberculosis. The authors present the case of a 47-year-old male patient, with palpable purpura and palmoplantar hemorrhagic blisters, with subsequent dissemination. He presented severe pulmonary symptoms with cavitation, fever, hemoptysis, and high lev
An. Bras. Dermatol.. Publicado em: 2021-03
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20. Association between pemphigus and systemic lupus erythematosus: a systematic review and meta-analysis,
Abstract Small vessel vasculitis with anti-proteinase antibodies 3 is an atypical clinical presentation of tuberculosis. The authors present the case of a 47-year-old male patient, with palpable purpura and palmoplantar hemorrhagic blisters, with subsequent dissemination. He presented severe pulmonary symptoms with cavitation, fever, hemoptysis, and high lev
An. Bras. Dermatol.. Publicado em: 2021-03
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21. Cutaneous smooth muscle tumors associated with Epstein-Barr virus in an adult patient with HIV,
Abstract Epstein Barr virus-associated smooth muscle tumors are an uncommon neoplasm that occurs in immunosuppressed patients of any age. Usually, it presents as multifocal tumors mainly in the spinal cord, epidural region, gastrointestinal tract and liver, upper respiratory tract and skin, the latest with few cases reported in the literature and related wit
An. Bras. Dermatol.. Publicado em: 2021-03
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22. Case for diagnosis. Cutaneous small vessel vasculitis (anti-proteinase 3 positive), fever, hemoptysis, and lung cavitation in an adult,
Abstract Small vessel vasculitis with anti-proteinase antibodies 3 is an atypical clinical presentation of tuberculosis. The authors present the case of a 47-year-old male patient, with palpable purpura and palmoplantar hemorrhagic blisters, with subsequent dissemination. He presented severe pulmonary symptoms with cavitation, fever, hemoptysis, and high lev
An. Bras. Dermatol.. Publicado em: 2021-03
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23. Update on human papillomavirus - Part II: complementary diagnosis, treatment and prophylaxis,
Abstract In this nonsystematic review, the complementary diagnosis, treatment, prevention, and control of human papillomavirus are discussed. The histopathology is addressed regarding its indications, main findings and limitations, as a complementary diagnostic method largely used by dermatologists. Electron microscopy is briefly reviewed, along with its con
An. Bras. Dermatol.. Publicado em: 2021-03
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24. Case for diagnosis. Hyperpigmented and excoriated papules and nodules in a diabetic patient,
Abstract Reactive perforating collagenosis is a rare perforating dermatosis clinically characterized by intensely pruritic hyperpigmented papules, plaques, and nodules with a central keratotic plug. Histopathology reveals transepidermal elimination of collagen fibers. Its pathophysiology is still under investigation, but the acquired form has been linked to
An. Bras. Dermatol.. Publicado em: 2020-12