title: Clear-cell sarcoma with melanin pigment: a possible soft-tissue variant of malignant melanoma. Case report.
mesh_terms: D003594:Cytoplasmic Granules / Q000648:ultrastructure; D006801:Humans; D008297:Male; D008543:Melanins; D008875:Middle Aged; D012509:Sarcoma / Q000145:classification / Q000473:pathology* / Q000648:ultrastructure; D012983:Soft Tissue Neoplasms / Q000145:classification / Q000473:pathology* / Q000648:ultrastructure; D013933:Thumb / Q000473:pathology
chemical_list: D008543:Melanins