ArticleSkeletal radiology2019
Fracture of the polyethylene tibial post in the posterior-stabilized total knee prosthesis: arthrographic and CT arthrographic diagnosis.
Article in Skeletal radiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Traumatic Fracture of the Polyethylene Tibial Post in a Posterior-Stabilized Total Knee Arthroplasty: A Case Report.Clinical case reports · 2026Article
- CT Diagnosis of Tibial Post Fracture in a Posterior-Stabilized Total Knee Arthroplasty.Journal of the Belgian Society of Radiology · 2026Article
- Total knee arthroplasty with fracture of polyethylene post.Radiology case reports · 2025Article
- Multi-energy spectral photon-counting computed tomography (MARS) for detection of arthroplasty implant failure.Scientific reports · 2021Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fracture of the polyethylene tibial post in the posterior-stabilized total knee prosthesis is often delayed in diagnosis due to its nonspecific symptoms and the radiolucent characteristic of polyethylene on conventional radiography. Therefore, the diagnosis is always established by arthroscopy. Notwithstanding recent advances in imaging modalities, we are presently aware of only two related case reports on MRI and even no reports about arthrographic or CT-arthrographic diagnosis of fractured tibial post. We hereby report a case of a 58-year-old female patient who developed recurrent knee pain during the third year after total knee arthroplasty. The displaced polyethylene tibial post was clearly outlined by administered contrast material in the posterior knee. Under the diagnosis of fracture of the tibial post, the patient underwent isolated replacement of the broken polyethylene insert. Her knee pain significantly improved after the operation.
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