Spiradenocarcinoma arising from a spiradenocylindroma: unusual case with lymphoepithelioma-like areas.
BACKGROUND: Hybrid skin adnexal tumors are common, and spiradenocylindroma is well described. OBJECTIVE: However, malignant transformation in this setting is infrequent, especially resemblance to lymphoepithelioma-like carcinoma of skin, which is not associated with Epstein-Barr virus. METHODS: A 65-year-old female presented with ataxia and a skin nodule composed of a hybrid adnexal tumor (spiradenoma and cylindroma) that transitioned into an undifferentiated carcinoma with attendant lymphoc...Expand abstract
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