title: Microcystic adnexal carcinoma.
abstract: A 71-year-old woman presented with a firm flesh-colored plaque with overlying whitish discoloration that had been present on her left cheek for at least 15 years (Figure 1). The lesion measured 1.6 x 1.1 cm in diameter. The patient had a history of radiation treatment for acne. What is your diagnosis? What should be the course of management?
authors.affiliation: Department of Dermatology, College of Physicians and Surgeons of Columbia University, New York, NY 10032, USA.
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Delshad
authors.forename: Désirée
authors.initials: D
authors.lastname: Ratner
mesh_terms: D000368:Aged; D001707:Biopsy, Needle; D018280:Carcinoma, Skin Appendage / Q000473:pathology* / Q000601:surgery*; D002610:Cheek; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007150:Immunohistochemistry; D015580:Mohs Surgery; D009367:Neoplasm Staging; D018570:Risk Assessment; D012878:Skin Neoplasms / Q000473:pathology* / Q000601:surgery*; D016896:Treatment Outcome