Brachialis muscle rupture

Case contributed by Dr Bahman Rasuli

Presentation

Hyperextension of the left elbow in a football player after trauma.

Patient Data

Age: 20 years
Gender: Male
MRI

Abnormal increased fluid signal and fibers discontinuity at the brachialis muscle belly is related to brachialis muscle rupture.

Elbow joint effusion.

Bone marrow edema/bruise at the capitellum and radial head and neck.

Case Discussion

Brachialis muscle rupture is rare and mimics the other types of elbow injuries such as biceps tendon ruptures. MRI is the method of choice in evaluating of brachialis muscle rupture.

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