MR imaging with gadopentetate dimeglumine (MR arthrography) is a new technique for evaluating the shoulder. Early clinical experience indicates that MR arthrography improves the visualization of intraarticular structures [1-3]. On T1-weighted images, high-signal contrast solution outlines the low-signal surface of the cuff tendons, the contour of the glenoid labrum, and the course of the glenohumeral ligaments. This essay illustrates the anatomic features of normal glenohumeral structures seen on MR arthrography and common pathologic disorders of the labral-ligamentous complex and rotator cuff.
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