The Acromioclavicular Joint Cyst: Glenohumeral Joint Communication Revealed by MR Arthrography

Cvitanic, Oliver; Schimandle, Jeffrey H.; Cruse, A.m.; Minter, Jon

doi:10.1097/00004728-199901000-00029

Cited by 27 publications

(25 citation statements)

References 12 publications

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“…First described by Craig (1984), in addition to the four clinical cases presented in this report, 41 cases ( Fig. 1) have been previously reported in the literature (Burns and Zvirbulis, 1984;Craig, 1986;Rockwood and Burkhead, 1988;Rowe, 1988;Nardini, 1991;Groh et al, 1993;Postacchini et al, 1993;Lizaur Utrilla et al, 1995;Le Huec et al, 1996;Segmuller et al, 1997;Marino et al, 1998;Selvi et al, 1998;Cvitanic et al, 1999;Montet et al, 2004;Tshering et al, 2005;Moratalla and Gabarda, 2007;Kontakis et al, 2007;Mullett et al, 2007;Nowak et al, 2009). Initially, two cases of soft-tissue masses overlying the ACJ were excluded from classification.…”

Section: Introductionsupporting

confidence: 51%

“…One case of Type 1 cyst occurred with a concomitant history of noninsulindependant diabetes mellitus (NIDDM) (Segmuller et al, 1997). Thirty-six previously reported cases (Craig, 1986;Rowe, 1988;Nardini, 1991;Groh et al, 1993;Postacchini et al, 1993;Lizaur Utrilla et al, 1995;Le Huec, 1996;Marino et al, 1998;Selvi et al, 1998;Cvitanic et al, 1999;Montet et al, 2004;Tshering Vogel et al, 2005;Moratella and Gabarda, 2007;Mullett et al, 2007;Nowak et al, 2009). For the Type 2 cyst (occurring in the presence of a complete rotator cuff tear), the average age was 68.5 (67.8) year.…”

Section: Resultsmentioning

confidence: 99%

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Acromioclavicular joint cyst formation

2010

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Acromioclavicular joint (ACJ) cysts are an uncommon and unusual sequela associated with shoulder pathophysiology. The majority of literature on ACJ cysts consists of individual case reports with no definitive literature review currently available. In addition to a comprehensive literature review, four clinical cases are presented in this report. First described by Craig (1984), a total of 41 cases have been previously reported in the literature. Of these cases, five occurred with the rotator cuff musculature intact. The remaining 36 cases of ACJ cysts occurred in patients with a complete tear/avulsion of the rotator cuff. Previous attempts at compiling a complete record of all reported cases have combined several distinct conditions into a single category. This article presents two distinct etiologies for the pathogenesis of ACJ cyst formation. In the presence of an intact rotator cuff, a Type 1 cyst can form superficially and be limited to the ACJ. Following a massive or traumatic tear of the rotator cuff, mechanical instability of the humeral head can cause a deterioration of the inferior acromioclavicular capsule (cuff tear arthropathy) and an overproduction of synovial fluid. Overtime, a "geyser" of fluid can form between the glenohumeral and the ACJ, forming a Type 2 cyst. This differentiation and categorization is essential for appropriate classification and treatment.

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Section: Introductionsupporting

confidence: 51%

Section: Resultsmentioning

confidence: 99%

Acromioclavicular joint cyst formation

2010

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“…The shoulder is often painless and the rotator cuff tear is functionally compensated. In this situation a malignant tumor has to be excluded [9]. With our series of nine cases we would like to stress that this pseudotumour of the shoulder is usually associated with extensive rotator cuff tears with a direct continuation of a column of fluid between the glenohumeral and AC joints extending into the AC cyst.…”

Section: Discussionmentioning

confidence: 93%

“…Cvitanic et al in 1999 [9] described the MR arthrographic appearance of an AC joint cyst with demonstration of the glenohumeral communication. They stated that conventional arthrography was inconsistent in revealing the communication between the glenohumeral joint and the AC joint.…”

Section: Discussionmentioning

confidence: 99%

Acromioclavicular joint cyst: nine cases of a pseudotumor of the shoulder

et al. 2005

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Objective: (1) To analyse the imaging appearances of nine patients with acromioclavicular joint cysts presenting as shoulder masses for tumor staging with operative, histopathological and joint aspiration findings. Design and patients: Retrospective review of imaging and correlation with clinical, operative and surgical notes. Images were reviewed by two musculoskeletal radiologists by consensus. Nine patients who presented clinically with a shoulder mass were evaluated by radiographs (n=9

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“…In evaluating such conditions, awareness of location and extent of juxta-articular bursae is important in order to identify or exclude significant pathology [6]. Joint/bursal effusions and cystic lesions related to subacromial impingement or rotator cuff tears may show a spectrum of different MRI findings, reflecting the degree of subacromial impingement, the size and location of the rotator cuff tear, and the anatomic margins of joint capsules and juxta-articular bursae [6,7,8,9,10,11,12,13,14,15].…”

Section: Joint Effusions Associated With Degenerative Osteoarthritismentioning

confidence: 99%

Fluid collections and juxta-articular cystic lesions of the shoulder: spectrum of MRI findings

et al. 2002

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The MR imaging features of fluid collections and juxta-articular cystic lesions of the shoulder are discussed, with special focus on those related to subacromial impingement and rotator cuff tears. Other more unusual fluid collections and cystic lesions are described, including rice-bodies bursitis, idiopathic synovial osteochondromatosis, dialysis-related amyloid arthropathy, hemophilic arthropathy, infectious conditions, non-infectious inflammatory arthritis, and paralabral cysts.

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The Acromioclavicular Joint Cyst: Glenohumeral Joint Communication Revealed by MR Arthrography

Cited by 27 publications

References 12 publications

Acromioclavicular joint cyst formation

Acromioclavicular joint cyst formation

Acromioclavicular joint cyst: nine cases of a pseudotumor of the shoulder

Fluid collections and juxta-articular cystic lesions of the shoulder: spectrum of MRI findings

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