Case report: proximal tibiofibular joint instability-a forgotten cause in revision total knee arthroplasty?

ABSTRACT:

Background

Proximal tibiofibular joint instability (PTJI) is a rare condition, particularly in total knee arthroplasty (TKA) revision, with only one prior case reported. This case highlights the importance of considering PTJI in patients with chronic lateral knee pain and instability following TKA and demonstrates a novel stabilization approach for managing this challenging condition.

Case description

A 73-year-old female with a history of multiple knee surgeries presented to our clinic due to increasing lateral knee pain radiating along the syndesmosis, aggravated by activities like squatting. Clinical examination revealed anteroposterior subluxation of the fibular head, suggesting PTJI. Radiological findings confirmed tibial component loosening, and the diagnosis of asepti

SUBMITTER: Matos MJ 

PROVIDER: S-EPMC12319615 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature