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US acromioclavicular periarticular cyst

US acromioclavicular periarticular cyst
Ultrasound (US) image of a peri-articular cyst (outline) extending from the acromioclavicular joint into the surrounding soft tissues.
Clavicle: clavicle bone; acromion: acromion bone.
Left: medial; Right: lateral; Bottom of screen: deep; Top of screen: superficial.
Courtesy of Jonathan Finnoff, DO. Used with permission of Mayo Foundation for Medical Education and Research. All rights reserved.
Graphic 99403 Version 2.0