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August 1978

Papillary Eccrine Adenoma

Arch Dermatol. 1978;114(8):1241. doi:10.1001/archderm.1978.01640200089031

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To the Editor.—  In the May 1977 issue of the Archives (113:596-598) Rulon and Helwig described a previously unrecognized adnexal neoplasm, the papillary eccrine adenoma. We would like to report an additional case with a clinical photograph.

Report of a Case.—  A 43-year-old woman had a nodule on her right leg of at least 20 years' duration. There had been no recent change in the lesion. She had noted occasional discomfort, but no other symptoms.Fig 1.—Flesh-colored nodule rounded by hyperpigmentation.Fig 2.—Numerous various-sized ducts are lined by two-cell layer of epithelial cells with frequent intraluminal papillary projections (hematoxylin-eosin, original magnification ×15). On the anterior aspect of the right leg, there was a 1-cm freely movable, firm, flesh-colored nodule with some peripheral hyperpigmentation (Fig 1). The clinical diagnosis was dermatofibroma. The lesion was excised and had not recurred on follow-up at two months.The biopsy demonstrated a well-circumscribed dermal tumor

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