MRI of Polyethylene Tibial Inserts in Total Knee Arthroplasty: Normal and Abnormal Appearances.
retrospective_cohort · Level III
Where this comes from
- Record sourced from PubMed, PMID 26999729.
- Also identified by DOI 10.2214/AJR.15.15107.
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Abstract
The purpose of this study was to describe the normal and abnormal MRI appearances of polyethylene tibial inserts. Subjects who underwent MRI before revision total knee arthroplasty were identified. The polyethylene tibial insert's shape was categorized on MRI, and the presence of abnormalities was noted. The shape of the polyethylene tibial insert varied with the design. Polyethylene tibial insert abnormalities seen on MRI included displacement and fracture. MRI distinguishes various designs of polyethylene tibial inserts and can show associated abnormalities.
Medical subject headings
- Arthroplasty, Replacement, Knee
- Knee Prosthesis
- Magnetic Resonance Imaging
- Polyethylene
- Postoperative Complications
- Prosthesis Failure