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ABSTRACT: The association between leukocytoclastic vasculitis and solid tumors like renal carcinoma has been infrequently described. We present the case of a 76-year-old woman who began with skin lesions on the legs that were clinically and histologically diagnosed as leukocytoclastic vasculitis. During analysis of the symptoms, she was diagnosed with renal carcinoma. After the tumor was excised, the vasculitis lesions disappeared, with no recurrence during the follow-up period.
Actas Dermo-Sifiliográficas 06/2006; 97(4):271-4.
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Actas Dermo-Sifiliográficas 04/2006; 97(2):142-4.
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ABSTRACT: The epidermis over a dermatofibroma may show changes that range from simple hyperplasia to the proliferation of basaloid cells, which can become morphologically indistinguishable from basal cell carcinoma. The existence of a true basal cell carcinoma overlying a dermatofibroma is infrequent. These basaloid proliferations have usually been considered to be the result of the inductive effect of the fibrohistiocytic proliferation of the dermatofibroma on the epithelial cells of the hair follicle; therefore, it would be a reactive phenomenon and not truly neoplastic. We describe a case of dermatofibroma that presented with a basaloid proliferation identical in appearance to a basal cell carcinoma on the overlying epidermis.
Actas Dermo-Sifiliográficas 12/2005; 96(9):612-5.
