This is a rare case of a mucosal melanoma, located in the urethra of a 59-year-old male. Malignant melanomas of the genitourinary tract are rare, representing <1% of malignancies in the genitourinary tract, and <0.1% of all melanomas. In the male genitourinary tract, the most affected sites are the glans penis and the distal urethra in the fossa navicularis. Urethral melanomas comprise 4% of all urethral cancers.
Urethra

autopsy ; workflow ; downdraft table ; negative pressure