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Abstract
Shoulder instability is associated with abnormalities of the joint capsule, labrum, glenohumeral ligaments, rotator cuff, and/or surrounding musculature. Magnetic resonance (MR) imaging are accurate mean of evaluating potential causes of shoulder instability .
In magnetic resonance (MR) imaging of joints, diagnostic success requires delineation of complex anatomic structures and demonstration of subtle abnormalities. MR arthrography extends the capabilities of conventional MR imaging because contrast solution distends the joint capsule, outlines intraarticular structures, and leaks into abnormalities.
On MR arthrography the majority of anatomic variants are easily distinguished from labral abnormalities. Articular cartilage that undercuts the labral fibrocartilage is rarely a source of diagnostic difficulty because the cartilage has lower signal intensity than the contrast solution.
The aim of this work is to evaluate the role of magnetic resonance arthrography in diagnosis of patients with shoulder instability .