- See: Trianglular Space
- formed by:
- teres major
- teres minor
- long head of triceps
- axillary nerve & posterior humeral circumflex artery pass posteriorly thru the quadrangular space;
- Quadrilateral Space Syndrome:
- caused transient blockage of the posterior humeral circumflex artery (and axillary nerve);
- typically occurs when the arm lies in a position of abduction, extension, and external rotation;
- patients note shoulder pain and paresthesias down the arm, esp with overhead activity;
- MRI findings may include atropy of the teres minor muscle as seen on saggital oblique MRI views
Quadrilateral Space Syndrome: Diagnosis and Operative Decompression Technique.
Quadrilateral space syndrome.
Surgical Decompression of the Quadrilateral Space in Overhead Athletes
Quadrilateral Space Syndrome: Incidence of Imaging Findings in a Population Referred for MRI of the Shoulder
Original Text by Clifford R. Wheeless, III, MD.
Last updated by Data Trace Staff on Wednesday, April 11, 2012 12:25 pm