The Journal of Bone and Joint Surgery 81:1744-6 (1999)
© 1999 The Journal of Bone and Joint Surgery, Inc.
Subacromial Impingement Associated with Deltoid Contracture. A Report of Two Cases*
KIYOHISA OGAWA, M.D. ,
WATARU INOKUCHI, M.D. and
TOYOHISA NANIWA, M.D. , TOKYO, JAPAN
Investigation performed at the Department of Orthopaedic Surgery, School of Medicine, Keio University, Tokyo
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Introduction
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Deltoid contracture can be caused either by repeated intramuscular injections or, in rare cases, by unknown etiologies2,3,6,8,11,12,14,19. The condition occurs in adults as well as in children2,4,8,9,12,13,17,18,21. The typical clinical manifestations are an abduction-extension contracture of the shoulder joint combined with winging of the scapula as compensation for the abduction contracture associated with the formation of a fibrous band within the deltoid muscle2,12,14,18. Adults who have a deltoid contracture commonly have pain that radiates from the neck and the shoulder to the lateral side of the arm4,8,9,12,13,16-18,20,21. We report the cases of two patients who had a deltoid contracture associated with subacromial impingement, and we describe the interrelationship of the two conditions.
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Case Reports
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CASE 1. A forty-eight-year-old homemaker who had had a nephrectomy for the treatment of hydronephrosis four months earlier was seen because of pain in the right shoulder that occurred both at rest and with . . . [Full Text of this Article]

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C.-C. Huang, S.-F. Ko, J.-Y. Ko, H.-Y. Huang, S.-H. Ng, Y.-L. Wan, M.-C. Chen, Y.-F. Cheng, and T.-Y. Lee
Contracture of the Deltoid Muscle: Sonographic Evaluation with MRI Correlation
Am. J. Roentgenol.,
August 1, 2005;
185(2):
364 - 370.
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