• Aashish Gulati, Philipp Lechler, Robert Steffen, Tom Cosker, Nick Athanasou, Duncan Whitwell, and Christopher L M H Gibbons.
• Nuffield Orthopaedic Centre, Windmill Road, Oxford OX3 7LD, United Kingdom.
• Knee. 2014 Oct 1; 21 (5): 932-5.

BackgroundComplex symptomatic ganglion cysts arising from the proximal tibio-fibular joint (PTJ) are not an uncommon presentation in specialist knee clinics and can be managed by aspiration or excision. There is, however, a high rate of recurrence and often there is progressive involvement of the common peroneal nerve (CPN) and its branches, and permanent nerve damage may result.MethodsThis study is a review of the outcome of recalcitrant and recurrent cyst disease with CPN involvement treated by proximal fibulectomy. Nine patients with clinical and radiological diagnosis of a ganglion cyst involving the proximal tibio-fibular joint were treated by proximal fibulectomy. Average age was 47.2years (19 to 75). Patients were followed up clinically and radiologically. Medical notes were reviewed to assess clinical/pathological characteristics, surgical outcome, recurrence rate and the symptoms of instability and nerve function.ResultsNone of the patients were lost to follow-up. After an average follow-up of 83months (15 to 150), none of the patients had clinical or radiological evidence of recurrence. All patients were pain-free and had a complete resolution of nerve symptoms and no evidence of CPN injury. None of the patients complained of localised pain or knee instability and there were no wound healing problems.ConclusionsMRI now confirms TFJ-ganglion cysts to be more common than previously recognised. Where there is refractory disease with progressive nerve symptoms and evidence of nerve sheath involvement, joint excision by proximal fibulectomy gives a satisfactory functional result in controlling disease and preventing further nerve damage.Level Of EvidenceIV.Copyright © 2014 Elsevier B.V. All rights reserved.

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