True gynecomastia is a benign proliferation of the glandular tissue of the male breast. In general, management is conservative, however if there is development of fibrosis after the inflammatory phase, surgery is recommended. The present article describes a case of true gynecomastia with symmetrical enlargement of the breasts since adolescence. In light of this diagnosis, corrective surgery was performed with tumescent anesthesia and exeresis in block of the mammary gland.

Keywords: GYNECOMASTIA; AMBULATORY SURGICAL PROCEDURES; DERMATOLOGY; ANESTHESIA, LOCAL.

Desmoplastic melanoma is a rare variant of melanoma characterized by an invasive lesion of spindle cells and varying degrees of desmoplasia. It is more frequent in men of an advanced age having a history of chronic exposure to sunlight. The extremely variable and nonspecific clinical appearance makes it a challenging diagnosis. The authors present an exuberant case of desmoplastic melanoma in an unusual location, with an initial diagnosis of dermatofibrosarcoma.

Keywords: MELANOMA; DIAGNOSIS; HISTOLOGY; IMMUNOHISTOCHEMISTRY

The authors describe the case of a 54-year-old woman presenting papules and yellowish plaques on the right thigh for 15 years, which clinically resembled a plane xanthoma. An anatomical pathological examination evidenced a mature adipose tissue in the dermis, with a diagnosis of superficial cutaneous lipomatous nevus, a rare benign hamartomatous malformation characterized by the presence of ectopic mature adipocytes in the dermis.

Keywords: NEVUS; ADIPOCYTES; XANTHOMATOSIS