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At least 415 records · Page 23Linked to original sources
PubMed2000

Superior labrum anterior-posterior (SLAP) tears: evaluation of three MR signs on T2-weighted images.

PURPOSE: To compare the sensitivity and specificity of three magnetic resonance (MR) imaging signs for the diagnosis of superior labrum anterior-posterior (SLAP) tears. MATERIALS AND METHODS: The study involved 23 consecutive patients with a type 2, 3, or 4 SLAP tear at arthroscopy and 31 age-matched control patients with an arthroscopically normal or type 1 SLAP lesion. The superior labrum was evaluated on MR images for high signal intensity extending to the articular surface in the posterior third of the labrum, an irregular or laterally curved area of high signal intensity, or two high-signal-intensity lines. RESULTS: The sensitivity, specificity, and accuracy of posterior high signal intensity for a type 2, 3, or 4 SLAP tear were 48%, 94%, and 74%, respectively, for observer 1 and 61%, 81%, and 72%, respectively, for observer 2. For laterally curved area of high signal intensity, these values were 65%, 84%, and 76%, respectively, and 56%, 84%, and 72%, respectively. For two high-signal-intensity lines, these values were 17%, 94%, and 61%, respectively, and 13%, 94%, and 59%, respectively. For the presence of either posterior or laterally curved high signal intensity, the sensitivity was 65% for both observers, whereas the specificity was 84% for observer 1 and 74% for observer 2. The kappa values for interobserver agreement were 0.60 for posterior high signal intensity and 0.58 for laterally curved high signal intensity. CONCLUSION: Laterally curved and posterior high signal intensities are specific signs for distinguishing a SLAP tear from a normal-variant superior sublabral recess.

Adolescent↗
PubMed2005

Comparison of total and partial traumatic tears of the subscapularis tendon.

We treated surgically 16 shoulders with an isolated traumatic rupture of the subscapularis tendon over a six-year period. Nine patients had a total and seven a partial tear of the subscapularis tendon. Repair was undertaken through a small deltopectoral groove approach. The mean Constant score improved in total tears from 38.7 to 89.3 points (p = 0.003) and in partial tears from 50.7 to 87.9 points (p = 0.008). The total tears were significantly more improved by surgery than the partial tears (p = 0.001). The delay between trauma and surgery was inversely proportional to the improvement in the Constant score suggesting that early diagnosis and surgical repair improves outcome.

Adult↗
PubMed1990

MR arthrography of the shoulder: comparison with conventional MR imaging.

Twenty-three patients underwent both conventional MR imaging of the shoulder and MR shoulder arthrography for clinically suspected labral or rotator cuff abnormalities. Images obtained before and after contrast administration were studied independently, and without knowledge of clinical findings, by two radiologists for the presence of abnormalities of the glenoid labrum or rotator cuff. Results were correlated with surgical findings in all patients. Nine patients had surgically proved labral tears. MR arthrography detected all nine labral abnormalities, while six of the nine were missed on conventional MR imaging. Fourteen patients had surgically proved rotator cuff tears. MR arthrography detected 11 of the 14 tears and missed three partial tears on the bursal surface. Conventional MR imaging detected nine cuff tears and missed five tears; two of these were complete rotator cuff tears and three were partial tears of the undersurface of the rotator cuff. Our results suggest that MR arthrography enhances the accuracy of MR in the evaluation of the glenoid labrum and rotator cuff tendon.

Adolescent↗
PubMed1984

The diagnostic value of arthrography and plain radiography in rotator cuff tears.

In 26 patients with surgically verified rotator cuff tears, the findings at radiography and arthrography were analysed. Plain anteroposterior radiograms were of no value in diagnosis. In plain groove-films, the slope of the medial wall and the depth of the intertubercular groove correlated with dislocations of the biceps tendon. In arthrography, leakage of the contrast medium into the subacromial or subdeltoid bursa was a reliable sign of a full-thickness tear. There was no correlation between the size of the tear measured at arthrography and at surgery. In cases where the biceps tendon sheath was visualised, the appearance was in agreement with the surgical findings.

Adult↗
PubMed2003

SLAP lesions of the shoulder.

SLAP lesions are becoming a more recognized cause of shoulder pain and disability. The diagnosis of these lesions is difficult due to vague symptoms and high degree of overlap with other shoulder disorders, and this requires a high index of suspicion. Advances in MR arthrography may lead to advances in preoperative diagnosis of labral tears, but definitive diagnosis, classification, and management is greatly facilitated with the use of the shoulder arthroscopy. Further basic science and clinical research should enhance our ability to manage patients with these lesions effectively.

Arthrography↗
PubMed2005

[Lesions of the superior labrum anterior-posterior and biceps tendon].

Biomechanical studies have shown that the biceps tendon and the superior labrum have significant contributions to the glenohumeral stability. Since superior labrum anterior-posterior (SLAP) lesions pose diagnostic difficulties, they should be kept in mind when evaluating a painful shoulder. Although magnetic resonance arthrography is of great use in diagnostic studies, diagnostic arthroscopy is still the best method for these lesions. Treatment may vary depending on the type of the lesion. As our knowledge about the glenohumeral anatomy enhances, success rates of the arthroscopic treatment of SLAP lesions will increase.

Arthrography↗