SKIN METASTASES FROM PROSTATE-CANCER ASSOCIATED WITH MALIGNANT-MELANOMA

A 66-year-old man, admitted to the hospital for prostatic carcinoma, p resented with a nodular lesion located on the presternal region and a small nodule (0.5 cm in diameter) simulating a scalp sebaceous cyst lo cated on the scalp, Moreover, an irregular dark-brown lesion was obser ved on the left side of the abdomen, and a brownish macula was also pr esent on the presternal region, Histologic examination of the two nodu lar lesions revealed cutaneous metastases from prostatic carcinoma, Th e pigmented lesion, localized on the abdomen, proved to be a superfici al spreading melanoma with a maximal depth of 1.36 mm, Histologic exam ination of the brownish lesion on the presternal region revealed nevus cell nests within the epidermis and in the dermis, We discuss the pro pensity of developing a secondary cancer in a patient with a primary m alignancy.