title: Neurofibrosarcoma following radiotherapy for ankylosing spondylitis.
abstract: Twenty-six years after radiotherapy to the spine for ankylosing spondylitis a patient developed a neurofibrosarcoma initially around the left sacroiliac joint. It is likely that this was a long-term complication of the radiotherapy.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D011859:Radiography; D011878:Radiotherapy / Q000009:adverse effects*; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging; D013167:Spondylitis, Ankylosing / Q000150:complications / Q000532:radiotherapy*