1560_Radiology.txt

EXAM:

MRI LEFT SHOULDER

CLINICAL:

This is a 69-year-old male with pain in the shoulder. Evaluate for rotator cuff tear.

FINDINGS:

Examination was performed on 9/1/05.

There is marked supraspinatus tendinosis and extensive tearing of the substance of the tendon and articular surface, extending into the myotendinous junction as well. There is still a small rim of tendon along the bursal surface, although there may be a small tear at the level of the rotator interval. There is no retracted tendon or muscular atrophy (series #6 images #6-17).

Normal infraspinatus tendon.

There is subscapularis tendinosis with fraying and partial tearing of the superior most fibers extending to the level of the rotator interval (series #9 images #8-13; series #3 images #8-14). There is no complete tear, gap or fiber retraction and there is no muscular atrophy.

There is tendinosis and superficial tearing of the long biceps tendon within the bicipital groove, and there is high grade (near complete) partial tearing of the intracapsular portion of the tendon. The biceps anchor is intact. There are degenerative changes in the greater tuberosity of the humerus but there is no fracture or subluxation.

There is degeneration of the superior labrum and there is a small nondisplaced tear in the posterior superior labrum at the one to two o’clock position (series #6 images #12-14; series #3 images #8-10; series #9 images #5-8). There is a small sublabral foramen at the eleven o’clock position (series #9 image #6). There is no osseous Bankart lesion.

Normal superior, middle and inferior glenohumeral ligaments.

There is hypertrophic osteoarthropathy of the acromioclavicular joint with narrowing of the subacromial space and flattening of the superior surface of the supraspinatus musculotendinous junction, which in the appropriate clinical setting is an MRI manifestation of an impinging lesion (series #8 images #3-12).

Normal coracoacromial, coracohumeral and coracoclavicular ligaments. There is minimal fluid within the glenohumeral joint. There is no atrophy of the deltoid muscle.

IMPRESSION:

  There is extensive supraspinatus tendinosis and partial tearing as described. There is no retracted tendon or muscular atrophy, but there may be a small tear along the anterior edge of the tendon at the level of the rotator interval, and this associated partial tearing of the superior most fibers of the subscapularis tendon.  There is also a high-grade partial tear of the long biceps tendon as it courses under the transverse humeral ligament. There is no evidence of a complete tear or retracted tendon. Small nondisplaced posterior superior labral tear. Outlet narrowing from the acromioclavicular joint, which in the appropriate clinical setting is an MRI manifestation of an impinging lesion.