Apocrine cystadenoma is a benign nevoid tumor of the skin occurring most commonly on the face. The tumor appears as a domeshaped translucent nodule. In more than half of the cases the lesion is pigmented, resembling a blue nevus, pigmented nevus, or pigmented basal cell epithelioma. It must be taken into consideration in the differential diagnosis of the pigmented lesions on the face.
MEHREGAN AH. Apocrine Cystadenoma: A Clinicopathologic Study With Special Reference to the Pigmented Variety. Arch Dermatol. 1964;90(3):274–279. doi:10.1001/archderm.1964.01600030024005
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