Cutaneous malignant melanoma metastatic to a uterine leiomyoma: a case report.

Background: Malignant melanoma is the sixth-most-common cancer in the United States and can spread throughout the body. This report represents the second case of a cutaneous melanoma involving a uterine leiomyoma.

Case: A 49-year-old woman presented with an inguinal mass; biopsy revealed an undifferentiated neoplasm.