title: A case of malignant fibrous histiocytoma.
mesh_terms: D000368:Aged; D001132:Arm; D003937:Diagnosis, Differential; D018219:Histiocytoma, Benign Fibrous / Q000175:diagnosis* / Q000473:pathology / Q000648:ultrastructure; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D012208:Rhabdomyosarcoma / Q000175:diagnosis; D012983:Soft Tissue Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000648:ultrastructure