Abstract Secondary osteoma cutis is a phenomenon that may occur in several conditions. When it occurs in a melanocytic nevus it is named osteonevus of Nanta, an event considered uncommon and characterized by the presence of bone formation adjacent or interposed with melanocytic cells. There are reports o...
Enfermedades Óseas Metabólicas/patología,
Enfermedades Óseas Metabólicas/cirugía,
Inmunohistoquímica,
Melanocitos/patología,
Nevo Intradérmico/patología,
Nevo Intradérmico/cirugía,
Nevo Pigmentado/patología,
Nevo Pigmentado/cirugía,
Osificación Heterotópica/patología,
Osificación Heterotópica/cirugía,
Dermatosis del Cuero Cabelludo/patología,
Dermatosis del Cuero Cabelludo/cirugía,
Enfermedades Cutáneas Genéticas/patología,
Enfermedades Cutáneas Genéticas/cirugía,
Neoplasias Cutáneas/patología,
Neoplasias Cutáneas/cirugía
Introducción:Los Nevos Melanocíticos Congénitos (NMC) son lesiones cutáneas que frecuentemente están presentes desde el nacimiento, sin embargo,la presencia de un NMC gigante mayor a 20 cm es infrecuente, motivo de presentación del caso.
Caso: Niño de 2 años y 5 meses, quien presen...
RESUMEN El objetivo de este reporte de caso fue identificar las características de un nevo abultado conjuntival en una paciente femenina de 72 años de edad. Se muestran las pruebas complementarias realizadas para llegar al diagnóstico de melanoma conjuntival, que consiste en un tumor poco frecuente, e...
Abstract: Agminated nevus refers to the presence of multiple nevi grouped in a circumscribed skin area; it is rarely reported in the literature. This report presents the case of a 10-year-old female patient with a history of Langerhans cell histiocytosis, who presents multiple nevi in the lumbar and ingu...
Abstract: Perinevic dermatosis neglecta is an underestimated skin condition usually affecting children and adolescents, characterized by the appearance of dirt-like brownish pigmentation around a preexisting nevus and often a matter of concern for parents. We describe the clinical and dermoscopic finding...
Abstract: Dermoscopic examination allows visualization of horizontal images on the skin, showing well-defined patterns. The authors propose ex vivo dermoscopic visualization using a vertical view of skin sections. The new image clearly distinguishes the stratum corneum, epidermis, and dermis as well as t...
Abstract: Background: Pigmented lesions on acral sites are common; clinical differentiation of nevi and early melanoma can be challenging. In these cases, dermoscopy can provide a more accurate diagnosis. Most dermoscopic patterns on acral skin have been described in Asian and European populations, whil...
Abstract: Several reports have demonstrated difficulties and lack of agreement in the histopathological diagnosis of particular melanocytic lesions, with problems in their management. A histogenetic approach to the study of these lesions originated the following classification: 1. superficial atypical pr...
Introdução: O diagnóstico clínico, dermatoscópico e histopatológico dos nevos atípicos é um desafio, uma vez que podem apresentar padrões regulares, observados em nevos melanocíticos comuns, ou padrões irregulares e assimétricos, que se assemelham aos padrões encontrados em melanomas e assim...
Abstract: Recurrent melanocytic nevus is a proliferation of melanocytes arising from a melanocytic nevus removed partially. Asymmetry and irregular pigmentation may lead to misdiagnosis of melanoma. We report a patient presented with a lesion on the lower abdomen, which was removed by shave excision. Ana...
