Suprascapular nerve entrapment by a ganglion cyst can produce pain and shoulder dysfunction. We report six cases with the associated arthroscopic intraarticular findings of a posterior capsulolabral injury (only the second such description) and review the literature. Based on the current literature and our experience, we document our treatment algorithm for suprascapular nerve entrapment secondary to a ganglion cyst. We believe it is necessary to evaluate and treat the intraarticular pathology as well as the ganglion cyst/nerve entrapment to successfully manage these patients.





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