title: Bipolar femoral neck-cup impingement observed on radiographic examination: report of a case.
abstract: Bipolar hemiarthroplasty has been used for both arthritis treatment and, more recently, the treatment of displaced femoral neck fractures. The authors report an unusual care of impingement of the bipolar cup and prosthetic femoral neck. This was noted on radiographs 10 years after bipolar hemiarthroplasty. This example supports the use of unipolar hemiarthroplasty to avoid such impingement.
authors.affiliation: Maine Joint Replacement Institute, Portland, ME, USA. mjri@yahoo.com
authors.forename: Brian J
authors.initials: BJ
authors.lastname: McGrory
authors.forename: B Andrew
authors.initials: BA
authors.lastname: Lawhead
mesh_terms: D019644:Arthroplasty, Replacement, Hip; D004868:Equipment Failure; D005272:Femur Neck / Q000000981:diagnostic imaging*; D006622:Hip Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000000981:diagnostic imaging; D011859:Radiography