Advanced MR Imaging after Total Hip Arthroplasty: The Clinical Impact

Iman Khodarahmi Qahnavieh, Jan Fritz

Research output: Contribution to journalArticlepeer-review


Recent metal artifact reduction techniques in magnetic resonance imaging (MRI) have sparked a new aera in visualization of the peri-implant region and assessment of failing orthopaedic hardware. Modes of failure after total hip arthroplasty can be classified into four broad categories: osseous abnormalities, implant instability and dislocation, implant-associated synovitis, and soft tissue abnormalities. Although MRI is complementary to plain radiography and computed tomography to diagnose the first two categories, it is paramount to investigate the complications related to the synovium and soft tissues. We review the most common modes of failure of hip implants and the MRI characteristics of various causes of pain and dysfunction after hip arthroplasty including osseous stress reaction and fracture, implant loosening, implant instability, polyethylene wear-induced synovitis, adverse reaction to metal debris, infection, hematoma, recurrent hemarthrosis, heterotopic ossification, muscle, tendon, and nerve abnormalities, and periprosthetic neoplasms.

Original languageEnglish (US)
Pages (from-to)616-629
Number of pages14
JournalSeminars in Musculoskeletal Radiology
Issue number5
StatePublished - Nov 1 2017


  • arthroplasty
  • hip
  • magnetic resonance imaging
  • metal artifact reduction
  • pseudotumor

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Radiology Nuclear Medicine and imaging

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