Abstract The correct identification of pigmented nodular lesions of the scalp is often challenging. Despite the importance of clinical patterns and dermoscopy, important adjuvant tools that are usually helpful, their interpretation sometimes is not clear-cut. Here, the authors discuss a case of sebaceoma...
Lhermitte phenomenon is a neurological symptom described as a sensation of electric shock that radiates from the back towards the extremities, which appears when a patient flexes the neck. A transient myelopathy as a late complication of radiotherapy is associated with this symptom. It appears two to fou...
RESUMEN La neoplasia blástica de células dendríticas plasmocitoides (NBCDP) es una malignidad hematológica poco frecuente y generalmente agresiva, por lo cual se requiere su reconocimiento precoz. A continuación, se describe el curso clínico prolongado de un paciente masculino de 60 años con NBCDP...
Abstract: Background: Non-melanoma skin cancer accounts for a third of all malignancies registered in Brazil, with squamous cell carcinoma (SCC) being one of its subtypes. It develops in photo-exposed areas, affecting social habits and causing negative influence on quality of life (QoL). Objectives: To...
RESUMEN El dermatofibrosarcoma protuberante es un raro tumor fibrohistiocitario de la piel y grado intermedio de malignidad. Localmente tiene un comportamiento agresivo, se extiende al tejido celular subcutáneo y músculo subyacente. Su crecimiento es lento e indoloro con una alta frecuencia de recurren...
Resumen Introducción: El linfoma anaplásico de células T grandes CD30+ es un linfoma primario cutáneo en el cual no hay evidencia de enfermedad sistémica; para su diagnóstico es necesario el estudio histopatológico. Objetivo: Presentar los casos diagnosticados en el Departamento de Dermatología...
Abstract Atypical fibroxanthoma is a rare superficial fibrohistiocytic tumor. Clinically, it presents itself as a painless, solitary, ulcerated, and slow-growing nodule found mainly on sun-exposed areas - especially of the head and neck - of elderly individuals. The diagnosis is based on histopathologica...