Metastatic malignant melanoma of the ovary

We report 2 cases of ovarian metastases of malignant melanoma arisen 4 and 6 years after the removal of the primitive epithelial neoplasia. In both cases the ovarian neoplasia was unilateral. Both the macroscopic and the histological aspects of the malignant melanoma were examined. From both cases it was clear that it was a solid neoplasia with histological aspect of wide epithelioid cells with abundant cytoplasm and intracytoplasmatic melanotic pigment. The immunohistochemical results supported positivity for protein S100, vimentine and HMB45, negativity for cytokeratine.