Abstract
Direct MR arthrography of the shoulder is a safe, relatively easy procedure that can
increase diagnostic confidence in the evaluation of rotator cuff and labroligamentous
disorders compared with conventional MR imaging of the shoulder. Surgeons more often
request MR arthrography in younger patients who may have internal impingement or subtle
shoulder subluxation rather than obvious cuff rupture, repeated dislocation, or arthropathy.
This article describes the advances in glenohumeral injection and MR protocol techniques,
imaging pitfalls, anatomical variants, common lesions associated with internal derangement
of the shoulder, and MR arthrography of the postoperative shoulder.
Keywords
magnetic resonance arthrography advances - shoulder - rotator cuff - labrum