title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 38-1994. A 55-year-old man with a paraspinal mass and a history of radiation treatment of a testicular tumor.
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009221:Myositis Ossificans / Q000473:pathology*; D012272:Ribs; D012983:Soft Tissue Neoplasms / Q000473:pathology / Q000556:secondary; D013736:Testicular Neoplasms / Q000532:radiotherapy