title: Clear cell sarcoma of the penis.
abstract: The case of a 10-year-old boy in whom clear cell sarcoma occurred at the root of the penis is reported. The tumor cells were positive for S-100 protein, and ultrastructural examination showed the presence of melanosomes.
mesh_terms: D002648:Child; D006801:Humans; D008297:Male; D010412:Penile Neoplasms / Q000378:metabolism / Q000473:pathology*; D009418:S100 Proteins / Q000378:metabolism; D012509:Sarcoma / Q000378:metabolism / Q000473:pathology*
chemical_list: D009418:S100 Proteins