title: Failure of polyethylene in total hip arthroplasty presenting as a pelvic mass.
abstract: Failure of total hip arthroplasty because of osteolysis caused by surface wear of acetabular polyethylene bearings has long been recognized. We report the case of a patient with an unusual presentation of a pelvic mass 20 years after he underwent total arthroplasty of his left hip.
authors.affiliation: Orthopaedic Department, Tan Tock Seng Hospital, Singapore.
authors.forename: Kuo Hung Bernard
authors.initials: KH
authors.lastname: Lin
authors.forename: Ngai Nung
authors.initials: NN
authors.lastname: Lo
mesh_terms: D019644:Arthroplasty, Replacement, Hip / Q000009:adverse effects* / Q000295:instrumentation; D044963:Biopsy, Fine-Needle; D001845:Bone Cysts / Q000000981:diagnostic imaging* / Q000209:etiology*; D005548:Foreign-Body Migration; D006621:Hip Joint / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D007085:Ilium / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D020959:Polyethylene / Q000009:adverse effects*; D011475:Prosthesis Failure; D012086:Reoperation; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome
chemical_list: D020959:Polyethylene