Apocrine adenocarcinoma in the setting of apocrine hidrocystoma of the leg.
We present the case of a 48-year-old man with a history of total body irradiation for chronic myelocytic leukemia, diabetes mellitus, and obesity who presented with a calf mass of two years' duration. Epidermal inclusion cyst was presumed and excisional biopsy was carried out. Pathologic analysis revealed apocrine adenocarcinoma in the setting of a precursor apocrine hidrocystoma. Our patient's unique altered immunity and the direct effects of irradiation on the local microenvironment may have resulted in his rare presentation of co-occurrence of apocrine adenocarcinoma within an existing apocrine hidrocystoma. To our knowledge, our patient is the first reported patient with this presentation in the lower extremity.
PMID: 31329389 [PubMed - in process]
Source: Dermatol Online J - Category: Dermatology Authors: Toyoda Y, Franck P, Brownstone ND, Lieberman M, Magro CM, Otterburn DM Tags: Dermatol Online J Source Type: research
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