CHRONIC SHOULDER DISLOCATION; PATHOANATOMY AND INVESTIGATION

• PRESENTED BY : • DR. TDS DEEPAK• DEPARTMENT OF ORTHOPEDICS• IGGGH & PGI PONDICHERRY

• A SLAP tear or SLAP lesion is an injury to the glenoid labrum (fibrocartilaginous rim attached around the margin of the glenoid cavity). SLAP is an acronym for "superior labral tear from anterior to posterior".

• Although ten varieties of SLAP lesion have been described on MRI or MR arthrography[5]

seven clinical types are generally described.[6]

• Type I. Degenerative fraying of the superior portion of the labrum, with the labrum remaining firmly attached to the glenoid rim

• Type II. Separation of the superior portion of the glenoid labrum and tendon of the biceps brachii muscle from the glenoid rim

• Type III. Bucket-handle tears of the superior portion of the labrum without involvement of the biceps brachii (long head) attachment

• Type IV. Bucket-handle tears of the superior portion of the labrum extending into the biceps tendon

• Type V. Anteroinferior Bankart lesion that extends upward to include a separation of the biceps tendon

• Type VI. Unstable radial flap tears associated with separation of the biceps anchor

• Type VII. Anterior extension of the SLAP lesion beneath the middle glenohumeral ligament

• Light-bulb sign • - globular head 2° IR

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