[Special aspects of stress fractures].

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Abstract

[Indexed for MEDLINE] 19. Semin Musculoskelet Radiol. 2015 Feb;19(1):12-20. doi: 10.1055/s-0034-1396763. Epub 2015 Jan 29. Radiographic evaluation of hip implants. Chang CY(1), Huang AJ(1), Palmer WE(1). Author information: (1)Division of Musculoskeletal Imaging and Intervention, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts. Serial radiographs are the mainstay in the longitudinal assessment of hip implants. The prosthesis, periprosthetic bone, and juxta-articular soft tissues are inspected for fracture, periosteal reaction, stress shielding, calcar resorption, osteolysis, bony remodeling, metallic debris, and heterotopic ossification. Comparison radiographs best confirm implant migration, subsidence, and aseptic loosening. Infection, particle disease, reaction to metal, and mechanical impingement are important causes of postsurgical pain, but in their earliest stages they may be difficult to diagnose using radiographs. This article addresses the role of radiography following hip arthroplasty. Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA. DOI: 10.1055/s-0034-1396763