Results: 732

Amelanotic acral melanoma misdiagnosed as verruca plantaris

An. bras. dermatol; 94 (1), 2019
Abstract: We report a case of amelanotic acral melanoma in a 42-year-old Chinese woman. Ten months previously the patient found a 2-cm asymmetric erythematous macular plaque on her left sole. The lesion was diagnosed as verruca plantaris by every physician the patient consulted. One month ago, an enlarge...

Case for diagnosis. Primary cutaneous CD4+ small/medium T-cell lymphoproliferative disorder

An. bras. dermatol; 94 (1), 2019
Abstract: Primary cutaneous CD4+ small/medium T-cell lymphoproliferative disorder is a rare disease, with an indolent evolution and benign course. The classic presentation is a solitary nodule on the face or trunk. The disorder's rarity and clinical and histopathological characteristics, can make the dia...

Follicular thyroid carcinoma metastatic to skin: a small papule and a big diagnostic change

An. bras. dermatol; 94 (1), 2019
Abstract: Cutaneous metastases are uncommon in daily practice, although very important, since they may be the first manifestation of an undiscovered primary neoplasm or the first indication of recurrence. Cutaneous metastases from the breast are the most frequent in women and cutaneous metastases from th...

Association between tumor-infiltrating lymphocytes and sentinel lymph node positivity in thin melanoma

An. bras. dermatol; 94 (1), 2019
Abstract: Background: Sentinel lymph node biopsy in thin invasive primary cutaneous melanoma (up to 1mm thick) is a controversial subject. The presence of tumor-infiltrating lymphocytes could be a factor to be considered in the decision to perform this procedure. Objective: To evaluate the association ...

Desmoplastic melanoma: a rare variant with challenging diagnosis

An. bras. dermatol; 94 (1), 2019
Abstract: Desmoplastic melanoma, a distinct and uncommon variant, is characterized as an invasive lesion with proliferation of fusiform melanocytes in the dermis and subcutaneous tissue, associated with varying patterns of desmoplasia. Neurotropism and neural differentiation may occur. The clinical prese...

Terapia-alvo versus dacarbazina no tratamento de primeira linha do melanoma avançado não cirúrgico e metastático: análise de impacto orçamentário na perspectiva do Sistema Único de Saúde, 2018-2020

Epidemiol. serv. saúde; 28 (2), 2019
Objetivo: estimar o impacto orçamentário incremental da terapia-alvo para tratamento de primeira linha do melanoma avançado não cirúrgico e metastático, em comparação à dacarbazina. Métodos: análise de impacto orçamentário na perspectiva do Sistema Único de Saúde (SUS) do Brasil; a partir...

Tabaquismo y cáncer de piel no melanoma

The incidence of non melanoma skin cancer, squamous cell carcinoma (SCC) y basal cell carcinoma (BCC) is constantly rising all over the world. Ultraviolet (UV) radiation exposure is an established environment risk for SCC and BCC, others risk factors such as skin type, age, chemical exposure and the pres...

Neoplasias melanocíticas spitzoides: estudio clínico-histopatológico de 62 lesiones en un hospital universitario chileno

Rev. chil. dermatol; 35 (4), 2019
INTRODUCCIÓN: Las neoplasias spitzoides son tumores melanocíticos con un espectro biológico variable, que constituyen un desafío diagnóstico. Los estudios en población latinoamericana son muy escasos, no contando con series chilenas. OBJETIVO: Caracterizar clínica e histopatológicamente a los pac...

Epidemiología del melanoma en poblacion de la provincia de Osorno: estudio retrospectivo 2016 - 2018

Rev. chil. dermatol; 35 (4), 2019
El melanoma maligno ha aumentado su incidencia. En la provincia de Osorno, para el período 2016 – 2018, se registraron 55 casos nuevos de melanoma, con predominio en sexo femenino. Los subtipos extensivo superficial y nodular fueron los más frecuentes; no obstante el lentiginoso acral fue un ...

Hemangioma microvenular: reporte de caso

Rev. chil. dermatol; 35 (4), 2019
El hemangioma microvenular corresponde a una neoplasia infrecuente de origen vascular y estirpe benigno. Su etiología es desconocida; sin embargo, se han reportado casos asociados a la inmunosupresión y factores hormonales. Suele aparecer en adultos jóvenes con ligera pr...