大きな下方関節包断裂により腋窩神経が露出していた外傷性肩関節前方不安定症の 1 例

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We present the case of an elite woman wrestler who suffered from recurrent shoulder instability induced by a large inferior capsular tear associated with an axillary nerve exposure after arthroscopic Bankart repair.<BR>A 20-year-old elite woman wrestler presented with right glenohumeral instability. The first time dislocation of the right shoulder was at the age of 18 during a wrestling match. Then she suffered from recurrent glenohumeral instability and underwent an arthroscopic stabilization.<BR>The initial stabilization surgery was very successful and she had returned to competition 6 months after the surgery. 14 months after the surgery she suffered a right shoulder injury when the opponent intentionally fell on the mat from clinching position. Her right shoulder was forced to hyperflex suddenly. Since then, she had been complaining of right shoulder instability. The second surgery demonstrated massive inferior capsular disruption associated with completely exposed axillary nerve. Type IV SLAP lesion and slight detachment of the anterior labrum were also observed. The disrupted capsule was carefully repaired using 3 side to side stitches and the nerve was anatomically reduced. SLAP and anterior labrum lesions were also repaired using suture anchors. Rotator interval closure was performed as an augmentation. Axillary nerve palsy was not confirmed either before or after surgery.<BR>The present case report demonstrated a unique case of shoulder instability associated with axillary nerve exposure due to a unique cause of injury, seen in an elite woman wrestler. Arthroscopy was quite an effective tool for safe and effective treatment as well as diagnosing this unique pathology.

大きな下方関節包断裂により腋窩神経が露出していた外傷性肩関節前方不安定症の 1 例

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