title: [Case of malignant granular cell tumor].
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D009379:Neoplasms, Muscle Tissue / Q000473:pathology*; D010235:Paraganglioma / Q000473:pathology*; D012186:Retroperitoneal Neoplasms / Q000473:pathology*