Abstract
A case of a 24-year-old female with a two-year history of an intermittently crusting lesion of her scalp is presented. The relatively innocuous-appearing sebaceous nevus, present since birth, made a malignant transformation to an apocrine carcinoma, betrayed by intermittent crusting of a portion of the hamartoma. Current management of sebaceous nevus and apocrine carcinoma is discussed.
Highlights
Nevus sebaceous of Jadassohn (NS) is a hamartoma predominately composed of sebaceous glands and is unbiased towards gender or race
There has not yet been a case report published of an apocrine carcinoma arising within an NS in a patient this young of an age
The final pathology report indicated that the lesion was an apocrine carcinoma with local infiltration, arising within an NS, with clear resection margins
Summary
Nevus sebaceous of Jadassohn (NS) is a hamartoma predominately composed of sebaceous glands and is unbiased towards gender or race. There has not yet been a case report published of an apocrine carcinoma arising within an NS in a patient this young of an age. Two years prior to presentation, an area of ulceration appeared on the anterior portion of the lesion, which subsequently healed and reoccurred several times. Her family physician referred her to a plastic surgeon and subsequently a dermatologist. The lesion was slightly irregular with rounded elevations, was overall wellcircumscribed, and alopecic The final pathology report indicated that the lesion was an apocrine carcinoma with local infiltration, arising within an NS, with clear resection margins.
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