Ganglion cysts of the proximal tibiofibular articulation: the role of arthrodesis and combined partial fibula excision
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Cysts of the proximal tibiofibular articulation are rare and their optimal treatment remains unclear. The objective of this study was to evaluate the results and complications of the treatment of synovial ganglion cysts of the proximal tibiofibular articulation by simple excision or by excision and fusion of the proximal tibiofibular joint with a limited fibula excision.
Between January 2005 and December 2016, seven male patients with an average age of 46 years were treated for a ganglion cyst of the proximal tibiofibular articulation. Nine procedures were performed in total. Four patients underwent primary cyst excision, two underwent revision cyst excision and three underwent revision cyst excision with arthrodesis of the proximal tibiofibular joint and partial excision of the fibula (two patients underwent two procedures).
Average follow-up was 79 months. The recurrence rate was 25% for simple cyst excision, 100% for revision cyst excision and 0% for cyst excision with arthrodesis. Average kitaoka score was 98 for simple cyst excision and 100 for cyst excision with arthrodesis (P = 0.34); resting visual analogue scores (VAS) were zero in both groups. With activity VAS was 0 for simple cyst excision and 1.6 in the arthrodesis group (P = 0.33). Two of the three arthrodesis patients went on to successful fusion. The third patient has an asymptomatic pseudarthrosis.
Simple primary cyst excision has a high failure rate at 25%. Revision cyst excision without fusion failed in all cases. We therefore recommend arthrodesis with limited fibula excision.
KeywordsProximal tibiofibular joint Ganglion cyst Cystectomy Proximal tibiofibular arthrodesis
Compliance with ethical standards
Conflict of interest
Each author declares that they have no conflict of interest.
Informed consent was obtained from all individual participants included in the study.
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