3.7 of 51 Ratings
A 24-year-old patient complains of vague right shoulder pain. On physical exam the patient is noted to have weakness with external rotation. EMG findings are consistent with quadrilateral space syndrome. Along with the deltoid, what other muscle is affected?
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A professional baseball pitcher develops shoulder pain, weakness and lateral arm paresthesias in his throwing arm. Selected MRI images of the right shoulder are shown in Figures A and B. What is the diagnosis?
Long thoracic neuritis
Quadrilateral space syndrome
An MRI of the shoulder in a patient with chronic quadrilateral space syndrome is most likely to show which of the following?
Increased intra-capsular volume
Loss of intra-capsular volume
Fatty atrophy of the infraspinatus
Fatty atrophy of the teres minor
Fatty atrophy of the latissimus dorsi