• Thomas J Wilson, Michelle L Mauermann, Michael G Rock, and Robert J Spinner.
• Department of Neurosurgery, Stanford University, Stanford, California, USA.
• Muscle Nerve. 2018 Jun 1; 57 (6): 989-993.

IntroductionThe objective of this study was to answer the typical questions from patients regarding the likely neurologic outcome and likelihood of recurrence when discussing peroneal intraneural ganglion cysts preoperatively.MethodsRetrospective analysis of all patients who underwent surgery for a peroneal intraneural ganglion cyst between January 1, 2000, and April 1, 2017, was performed. Postoperative neurologic outcomes and radiologic recurrences are reported.ResultsThere were 65 patients. Average clinical follow-up was 14 months. Median dorsiflexion and eversion preoperatively were 2/5 and 4/5, respectively. Median dorsiflexion and eversion at last follow-up postoperatively were 5/5. Radiologic recurrence occurred in 6 (9%) patients, all extraneural.DiscussionThe data support excellent postoperative motor outcomes, despite frequent dense weakness of peroneal-innervated musculature preoperatively. The surgical approach appears to eliminate risk of intraneural recurrence and minimizes risk of extraneural recurrence. Muscle Nerve 57: 989-993, 2018.© 2018 Wiley Periodicals, Inc.

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