A Case of Metastatic Cancer of the Penis from Urinary Bladder Carcinoma / 대한피부과학회지

ABSTRACT

Despite abundant blood supply, metastatic tumors of the penis are rare. We report herein a case of metastatic cancer of the penis from urinary bladder carcinoma in a 80-year-old man. He presented with 1 month history of erythematous tender mass on the penis which developed 16 months later after the diagnosis of carcinoma of the urinary bladder had been made. Skin biopsy from this lesion revealed variable sized atypical cells with hyperchromatic and pleomorphic nuclei similar to those of the urinary bladder. On immunohistochemical staining, infiltrating cells of both bladder and penis showed positive reaction to thrombomodulin and carcinoembryonic antigen(CEA), but negative reaction to cytokeratin20 and C-erB-2 oncogene.