title: Radiation myelitis simulating tumor.
mesh_terms: D000368:Aged; D001344:Autopsy; D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009187:Myelitis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology* / Q000473:pathology; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy; D011832:Radiation Injuries / Q000175:diagnosis*; D011859:Radiography; D011878:Radiotherapy / Q000009:adverse effects*; D013116:Spinal Cord / Q000473:pathology; D013120:Spinal Cord Neoplasms / Q000175:diagnosis*