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KMID : 1195520140070020120
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Journal of Korean Orthopaedic Ultrasound Society
2014 Volume.7 No. 2 p.120 ~ p.126
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Complicated AC Joint Cyst with Aseptic Fistula Secondary to Simple Excision - A Case Report and Review of Literature -
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Shon Min-Soo
Baek Duck-In
Lee Kyung-Hag
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Abstract
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Acromioclavicular (AC) joint cyst is an uncommon presentation around the shoulder joint that is usually associated with chronic rotator cuff pathology and degenerative AC joint arthritis. Understanding the underlying pathophysiology of the shoulder joint is essential for appropriate interpretation of the AC joint cyst, assistance in determining the therapeutic strategy, and prevention of complications after treatment. We present a case of AC joint cyst with an aseptic fistula which was complicated by simple excision for recurred AC joint cyst after multiple aspirations. This case revealed a massive rotator cuff tear involving supraspinatus, infraspinatus, and subscapularis tendon on ultrasonography. We also reviewed the clinical approach and treatment options to be considered for its pathogenesis in the literature.
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KEYWORD
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Shoulder, Acromioclavicular joint cyst, Aseptic fistula, Rotator cuff tear, Ultrasonography
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