title: "Bizarre leiomyoblastoma" of the retroperitoneum: report of a case.
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D008853:Microscopy; D008854:Microscopy, Electron; D009362:Neoplasm Metastasis; D009379:Neoplasms, Muscle Tissue / Q000473:pathology*; D010534:Peritoneal Neoplasms / Q000473:pathology; D012186:Retroperitoneal Neoplasms / Q000473:pathology*