Acromioclavicular joint injury: grade IV

Case contributed by Dr Bahman Rasuli


Pain in the right shoulder after fall down.

Patient Data

Age: 75 years
Gender: Male

Disruption of the AC joint and clavicle displaced posterior into the trapezius

AC ligament: ruptured

CC ligament: ruptured

Joint capsule: ruptured

Deltoid muscle: minimally detached

Trapezius muscle: detached

Coracoclavicular distance:26 mm.

Case Discussion

Posterior dislocation of the distal clavicle with respect to the acromion, with the clavicle protruding into the trapezius muscle, is a type IV ACJ injury.

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Case information

rID: 81261
Published: 24th Aug 2020
Last edited: 26th Aug 2020
Inclusion in quiz mode: Included
Institution: Jame Jam Imaging Center

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