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Acromioclavicular Joint Osteoarthritis With Joint Effusion
 

Author: Matthew Jorgensen, DO
Affiliation: UF Health, Department of Sports Medicine and Orthopedics, Gainesville, FL
Co Author(s): Davis Mills MD, AnnMarie Muñecas BS, Sarah L. Chrabaszcz MD, Ryan Mark MD
Senior Editor: Alex Houser, DO

Clinical Vignette: A 76-year-old male presented to clinic with progressively worsening right shoulder pain without trauma or injury to the shoulder. Pain was superolateral and exacerbated by lifting objects in front of his body. Exam was notable for positive Hawkins test for impingement and tenderness over the acromioclavicular joint.

Type of Probe Used: 3-14 MHz Linear array transducer



Unlabeled long axis view of the acromioclavicular joint with the transducer oriented over the posterior-most portion of the joint.


Labeled long axis view of the acromioclavicular joint with the transducer oriented over the posterior-most portion of the joint. Evidence of osteophyte formation within the joint space, as well as cortical changes of the acromion and proximal clavicles, is suggestive of osteoarthritis.


Labeled long axis view of the acromioclavicular joint with the transducer oriented directly over the middle portion of the joint. Evidence of anechoic joint effusion, cortical changes to the proximal clavicle and acromion, as well as visualization of underlying supraspinatus.


Unlabeled long axis view of the acromioclavicular joint with the transducer oriented directly over the middle portion of the joint.


Labeled long axis view of the anterior acromioclavicular joint with the transducer oriented over the anterior-most portion of the joint. Evidence of capsular thickening and anechoic effusion within the joint space.


Unlabeled long axis view of the anterior acromioclavicular joint with the transducer oriented over the anterior most portion of the joint.

NOTE: For more information, please contact the AMSSM, 4000 W. 114th Street, Suite 100, Leawood, KS 66211 (913) 327-1415.
 

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