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Incomplete discoid glenoid labrum combined with a ganglion cyst of the spinoglenoid notch



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Abstract

In a 41-year-old man, right-sided infraspinatus muscle weakness was associated with compression of the suprascapular nerve caused by a spinoglenoid ganglion cyst. The lesion was confirmed using electromyography and MRI. In addition, arthroscopy showed an incomplete discoid labrum. The free inner edge of the labrum was removed as in a meniscectomy of a discoid meniscus in the knee joint. Arthroscopic decompression of the cyst was performed through a juxtaglenoid capsulotomy which was left open. Neurological function recovered completely.


Correspondence should be sent to Dr K. C. Kim; e-mail: kckim@cnuh.co.kr

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