title: Osteoradionecrosis of the acetabulum in a total hip arthroplasty: a case report.
abstract: Osteoradionecrosis is a rare complication of radiation therapy. The pelvic and facial bones are those most likely to be affected when radiotherapy is used to manage gynaecological or nasopharyngeal malignancies. We report a 78-year-old woman with osteoradionecrosis of the acetabulum in a total hip arthroplasty 4 years after radiotherapy for a carcinoma of the vagina. Osteolysis of the acetabulum with pelvic discontinuity was noted on radiographs, but the patient was asymptomatic.
authors.affiliation: Department of Orthopaedics and Traumatology, Prince of Wales Hospital, Shatin, Hong Kong. kychung@ort.cuhk.edu.hk
authors.forename: Kwong-yin
authors.initials: KY
authors.lastname: Chung
authors.forename: Kwok-hing
authors.initials: KH
authors.lastname: Chiu
authors.forename: Kin-wing
authors.initials: KW
authors.lastname: Cheung
mesh_terms: D000077:Acetabulum; D000368:Aged; D019644:Arthroplasty, Replacement, Hip; D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy*; D005260:Female; D006801:Humans; D010025:Osteoradionecrosis / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D014625:Vaginal Neoplasms / Q000532:radiotherapy*