Presentation
Professional body-builder. One month before the presentation, the patient had a snap in the left anterior axillary fold region during a workout.
Patient Data
There is a myotendinous junction tear of the sternal head of the pectoralis major. The defect is filled with fluid (about 65 x 34 x 20 mm - 24 cc). The pectoralis tendon is intact reaching to the humerus. The clavicular head and the costal head of the pectoralis major show normal echopattern. Underlying pectoralis minor muscle is normal.
The asymptomatic side pectoralis was examined for comparison. It shows a normal tendon, myotendinous junction, and muscle belly.
Case Discussion
A physically active male presented with a history of sudden pain in the left anterior axillary fold region while lifting weights. The clinical diagnosis was pectoralis major injury. The ultrasound was requested for localization of the tear site. The ultrasound revealed pectoralis major muscle injury at the sternal head myotendinous junction.
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