Imaging of Proximal Tibiofibular Joint Instability: A 10 year retrospective case series
Christopher J Burke1, Lars J Grimm2, Matthew J Boyle2
1Hospital for Joint Diseases, New York University, 301 East 17th Street, New York, NY 10003.
Objective:
Detail the imaging findings in patients with proximal tibiofibular instability treated with surgical stabilization.
Methods:
Retrospective analysis of preoperative imaging in patients with clinically confirmed tibiofibular instability.
Results:
Operative fixation of the 16 patients was as follows: 11 using a fiberwire suture construct and 5 using screw fixation. Proximal tibiofibular ligamentous abnormalities were present in 100% of acute (< 6 months) and 85.7% of chronic (>6 months) instability cases who underwent MRI.
Conclusion:
MRI is sensitive in the evaluation of tibiofibular ligamentous integrity in proximal tibiofibular instability. Chronic instability should be considered in younger adults with isolated tibiofibular osteoarthritis.
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