Case report of nodular hidradenocarcinoma/Relato de caso de hidradenocarcinoma nodular

Case report of nodular hidradenocarcinoma, a rare neoplasm very little described in the literature, in male patient, 78 years old, caucasian, from a rural area, attended by SUS in july of 2013, Belem, Para, Brazil. It was observed erythematododular lesion, with three months of evolution, infiltrated, exulcerated, slightly painful and bleeding, with 1 cm of diameter, in the right nasal wing, as well as telangiectasias around. The diagnostic impression was basal cell carcinoma. The histopathology identified malignant nodular hidradenoma, that was confirmed by immune-histochemistry. The relevance of this report is due to the rarity of the disease and the absence of protocol for specific treatment. Keywords: Neoplasms; Acrospiroma/pathology; Skin neoplasms/pathology. Relato de caso de hidradenocarcinoma nodular, neoplasia rara e pouco descrita na literatura, em paciente masculino, 78 anos, branco, procedente de area rural, atendido no SUS em julho de 2013, em Belem, Para, Brasil. Foi observada lesao eritematonodular, com tres meses de evolucao, infiltrada, exulcerada, pouco dolorosa e sangrante, com 1 cm de diametro, na asa direita nasal, alem de telangiectasias ao redor. A impressao diagnostica foi carcinoma basocelular. A histopatologia identificou hidradenoma nodular maligno, confirmada pela imunohistoquimica. A relevancia deste relato e devida a raridade da doenca e a falta de protocolo para tratamento especifico da mesma. Descritores: Neoplasias; Acrospiroma/patologia; Neoplasias cutaneas/patologia.