Acromioclavicular joint osteoarthritis is often a cause of shoulder pain. On the other hand, imaging frequently leads to such a diagnosis, especially in elderly patients, and some authors believe it to have a poor correlation with the clinical picture. It is, however, widely accepted that such a condition can be the cause of rotator cuff impingement. In the case of shoulder pain, it is important to distinguish between symptomatic acromioclavicular osteoarthritis and other causes, especially rotator cuff pathology, which is more common. Sometimes, the clinical picture does not allow for differential diagnosis; in these cases, the injection of a local anesthetic into the acromioclavicular joint or into the subacromial bursa can be of great help. Ultrasonography can easily detect acromioclavicular osteoarthritis and rotator cuff pathology, and it is highly effective in guiding the articular or bursal injection of a local anesthetic to assess the origin of the pain. In addition, in conservative therapy, ultrasonography can guide the articular or bursal injection of corticosteroids and hyaluronic acid.
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| http://dx.doi.org/10.1007/s40477-020-00498-z | DOI Listing |
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Imaging abnormalities of the acromioclavicular joint and subacromial space are common in asymptomatic shoulders: a systematic review.
J Orthop Surg Res
January 2025
School of Public Health and Preventive Medicine, Musculoskeletal Health and Wiser Health Care Units, Monash University, Melbourne, VIC, Australia.
Objectives: To determine the prevalence of acromioclavicular (AC) joint and subacromial space imaging abnormalities in asymptomatic adults, with a secondary objective of comparing findings between asymptomatic and symptomatic shoulders within the same study populations.
Methods: We conducted a systematic review of studies examining shoulder imaging abnormalities detected by X-ray, ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) in asymptomatic adults (PROSPERO registration CRD42018090041). This report focuses on AC joint and subacromial space abnormalities.
Comparative efficacy of operative versus conservative treatment for Rockwood type III acromioclavicular joint dislocation: a systematic review and meta-analysis of randomized controlled trials.
BMC Musculoskelet Disord
November 2024
Department of Orthopedic, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Taizhou, Zhejiang, China.
Background: Optimal management of Rockwood type III acromioclavicular joint (ACJ) dislocation is still debated. Our aim is to conduct a meta-analysis of clinical studies evaluating the functional outcomes of operative versus conservative treatment for Rockwood type III ACJ dislocation.
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J Orthop Case Rep
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Department of Orthopaedic Surgery and Traumatology, Centre Epaule Coude La Colline: Chem. Thury 7b, 1206 Geneva, Switzerland.
Introduction: Acromioclavicular joint cysts represent a relatively rare clinical entity, often manifested as an enlarging mass adjacent to the acromioclavicular joint, which can raise concerns for a potential tumor. These cysts are identified for their association with shoulder pathology, particularly extensive rotator cuff tears, and present a diagnostic and therapeutic challenge for misdiagnosis as neoplastic masses. In this case, we are reporting on an unusual presentation of a patient presenting with a swollen mass in the left trapezius causing neck pain.
View Article and Find Full Text PDFOccupational mechanical exposures as risk factor for shoulder osteoarthritis: a systematic review.
Ann Work Expo Health
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Danish Ramazzini Centre, Department of Occupational Medicine, Palle Juul-Jensens Boulevard 99, Aarhus University Hospital, 8200 Aarhus, Denmark.
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Article Synopsis
- The study investigates how surgical versus nonoperative treatments for acromioclavicular dislocations affect the development of osteoarthritis in the shoulder.
- It analyzed data from 94 articles, including 7 for meta-analysis, involving 3,812 patients over an average follow-up of about 2 years, revealing OA prevalence between 6.7% and 29.3% based on treatment type.
- The findings indicate no significant difference in OA prevalence between the injured shoulder and the opposite one, but the overall study quality was deemed low, raising questions about the reliability of the results.
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