Case for diagnosis. Atypical fibroxanthoma
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CitationSaraç, E., Yüksel, M., Çetinaslan Türkmen, İ. ve Özdemir, M. (2019). Case for diagnosis. Atypical fibroxanthoma. Anais Brasileiros de Dermatologia, 94(2), 239-241. https://dx.doi.org/10.1590/abd1806-4841.20197330
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 histopathological and immunohistochemical features. Immunohistochemical staining plays a critical role for the exclusion of differential diagnoses. Since atypical fibroxanthoma has an indolent clinical course, surgical excision is adequate for treatment. We present a case of atypical fibroxanthoma on the ear of a patient.