Quadrilateral space syndrome: incidence of imaging findings in a population referred for MRI of the shoulder.

OBJECTIVE

The purpose of this study was to determine the incidence of MRI findings suggesting quadrilateral space syndrome in a population referred for shoulder MRI.

CONCLUSION

Focal teres minor atrophy or abnormal signal suggesting quadrilateral space syndrome is an uncommon, although not rare, finding on MRI of the shoulder in our referral population and is rarely an isolated abnormality.