BACKGROUND: There is limited information on the validity of magnetic resonance imaging (MRI) in detection of @entity66 . The purpose of this study was to examine the measurement properties of noncontrasted MRI in diagnosis of @entity66 using arthroscopic surgery as the "gold standard." MATERIALS AND METHODS: Prospectively collected surgical data of @entity1 with @entity5818 or @entity717 cuff tear, with @entity66 (study group) or without @entity66 (control group), were reviewed. MRI reports of radiologists with fellowship training in musculoskeletal imaging were retrospectively reviewed and compared with surgical findings. RESULTS: Data of 183 (130 study and 53 control) @entity1 (73 @entity1 [40%], 110 @entity1 [60%]; mean age,  62 years [standard deviation,  9]) who had undergone arthroscopic @entity717 cuff-related surgery during a period of 11  years were used for analysis. Sensitivity and specificity of MRI for detection of full @entity924 were 0.54 and 0.98, respectively. Sensitivity and specificity were 0.27 and 0.86 for partial @entity924 , respectively. For @entity427 subluxation or dislocation, sensitivity was 1.00 and specificity was 0.83. The areas under the receiver operating characteristic curves, which quantify the overall accuracy of the tests, were 0.57, 0.75, and 0.92 for partial tear, full tear, and instability of the @entity427 tendon, respectively. CONCLUSIONS: Noncontrasted MRI has a low sensitivity and high specificity for detection of full-thickness @entity924 . It is highly sensitive for diagnosis of instability of the long head of the @entity427 . However, its usefulness for diagnosis of partial @entity924 remains limited.

Accuracy of magnetic resonance imaging in detecting @entity427 pathology in @entity1 with XXXX cuff disorders: comparison with arthroscopy.

@entity1 :: ('9606', 'Species') :: ['women', 'patients', 'men'] @entity717 :: ('MESH:D009069', 'Disease') :: ['rotator'] @entity66 :: ('MESH:D004194', 'Disease') :: ['biceps disease'] @entity924 :: ('MESH:D052256', 'Disease') :: ['tears of the biceps tendon'] @entity5818 :: ('MESH:D019534', 'Disease') :: ['impingement syndrome'] @entity427 :: ('MESH:D012021', 'Disease') :: ['biceps']
@entity717 :: (MESH:D009069,Disease) :: ['rotator']
