Shoulder impingement syndrome: MR findings in 53 shoulders.

Shoulder impingement syndrome: MR findings in 53 shoulders. Research Abstract Details 

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Shoulder impingement syndrome: MR findings in 53 shoulders. Abstract Text:

L L Seeger,R H Gold,L W Bassett,H Ellman,

The shoulder impingement syndrome refers to a condition in which the supraspinatus tendon and subacromial bursa are chronically entrapped between the humeral head inferiorly and either the anterior acromion itself, spurs of the anterior acromion or acromioclavicular joint, or the coracoacromial ligament superiorly. As a result, the space for the bursa and tendon is reduced, and repeated trauma to these structures leads to bursitis and rotator cuff injury. Although pain and limitation of motion are common early findings, the diagnosis is often delayed until a complete tear of the rotator cuff has occurred. In an attempt to determine if MR can be used to depict the abnormalities associated with impingement syndrome (subacromial bursitis, supraspinatus tendinitis, and rotator cuff tear), we reviewed 107 MR scans of painful shoulders. Changes consistent with impingement syndrome were found in 53 patients (50%), 32 of whom underwent subsequent arthrography or surgery. MR was found capable of depicting several soft-tissue and bony abnormalities that have been clinically described in impingement syndrome. In regions of inflammation, we found that the supraspinatus tendon and/or the subacromial bursa were compressed by spurs (25 shoulders), capsular hypertrophy of the acromioclavicular joint (six shoulders), and/or low-lying acromion (14 shoulders). While T1-weighted MR imaging was highly sensitive to abnormalities of the supraspinatus tendon, tendinitis could be differentiated from a small tear of the supraspinatus tendon only with T2-weighted imaging. Large, full-thickness tears, especially if chronic, produced characteristic MR findings on both T1- and T2-weighted images. We conclude that MR can be used to detect several abnormalities associated with the shoulder impingement syndrome.

Shoulder impingement syndrome: MR findings in 53 shoulders. Publishing Authors By Initials

LL Seeger,RH Gold,LW Bassett,H Ellman,

For similar musculoskeletal diseases: muscular diseases: tendinopathy research abstracts see: musculoskeletal diseases: muscular diseases: tendinopathy research

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Shoulder impingement syndrome: MR findings in 53 shoulders. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJR. American journal of roentgenology

VOLUME: 150

Page Numbers: 343-7

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ISSN: 0361-803X

DAY: 15

MONTH: Feb

YEAR: 1988

Shoulder impingement syndrome: MR findings in 53 shoulders. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

Shoulder impingement syndrome: MR findings in 53 shoulders. Keywords Mesh Terms:

KEYWORDS: Tendinopathy

MESH TERMS: etiology

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Grant and Affiliation Information for Shoulder impingement syndrome: MR findings in 53 shoulders.

AFFILIATION: Department of Radiological Sciences, University of California at Los Angeles School of Medicine 90024.

Country: UNITED STATES

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MEDLINETA: AJR Am J Roentgenol

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