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1.
An Bras Dermatol ; 89(3): 472-7, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-24937822

RESUMEN

Several variants of dermatofibroma have been described. They are essentially distinguished by their clinical and histopathological features. To review the mainfeaturesof these variants, a retrospective study of skin biopsies and tissue excisions of dermatofibromasperformed in the dermatology and venereology service at the Hospital Garcia de Orta between May 2007 and April 2012 was carried out. During that period, 192 dermatofibromas were diagnosed in 181 patients, the lesions being more common in women. Median age of the study population was 48 years. The most common lesion site was the limbs (74% of patients). The histopathological types found were common fibrous histiocytoma (80%) and the aneurysmal (5.7%),hemosiderotic (5.7%), epithelioid (2.6%), cellular (2.1%), lipidized (2.1%), atrophic (1.0) and clear cell (0.5%) variants. Based on these findings, this review focuses on the clinical and histological features of the various variants of dermatofibroma in terms of their clinical presentation, distinct histopathological features, differential diagnosis and prognosis.


Asunto(s)
Histiocitoma Fibroso Benigno/patología , Neoplasias Cutáneas/patología , Adolescente , Adulto , Distribución por Edad , Anciano , Anciano de 80 o más Años , Biopsia , Niño , Diagnóstico Diferencial , Femenino , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Distribución por Sexo , Piel/patología , Adulto Joven
2.
An. bras. dermatol ; An. bras. dermatol;89(3): 472-477, May-Jun/2014. tab, graf
Artículo en Inglés | LILACS | ID: lil-711611

RESUMEN

Several variants of dermatofibroma have been described. They are essentially distinguished by their clinical and histopathological features. To review the mainfeaturesof these variants, a retrospective study of skin biopsies and tissue excisions of dermatofibromasperformed in the dermatology and venereology service at the Hospital Garcia de Orta between May 2007 and April 2012 was carried out. During that period, 192 dermatofibromas were diagnosed in 181 patients, the lesions being more common in women. Median age of the study population was 48 years. The most common lesion site was the limbs (74% of patients). The histopathological types found were common fibrous histiocytoma (80%) and the aneurysmal (5.7%),hemosiderotic (5.7%), epithelioid (2.6%), cellular (2.1%), lipidized (2.1%), atrophic (1.0) and clear cell (0.5%) variants. Based on these findings, this review focuses on the clinical and histological features of the various variants of dermatofibroma in terms of their clinical presentation, distinct histopathological features, differential diagnosis and prognosis.


Asunto(s)
Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Niño , Femenino , Humanos , Masculino , Persona de Mediana Edad , Adulto Joven , Histiocitoma Fibroso Benigno/patología , Neoplasias Cutáneas/patología , Distribución por Edad , Biopsia , Diagnóstico Diferencial , Estudios Retrospectivos , Distribución por Sexo , Piel/patología
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