Rupture of the pectoralis major muscle

Case contributed by Dr Bruno Di Muzio


Bedridden patient with Parkinson's is brought by relatives due to soft tissue swelling in the up and anterior thoracic region that extends to left axillary region.

Patient Data

Age: 78
Gender: Female

Shoulder ultrasound

Comparison between the proximal sternocostal heads of the pectoralis major muscles. The right one (DIR) on it`s normal aspects and the left one (ESQ) presenting thickened and increased echogenicity.

In the middle portion of the muscle is possible to observe only a few muscle fibers and large amount of fluid occupying its place. Deep is the pectoralis minor, preserved. Sternal head of the pectoralis identified contracted in the left axillary dig.

Case Discussion

The case illustrates a pectoralis major rupture on a old bedridden patient. Probably the lesion occurs in the musculotendinous junction, involving the sternal head.

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Case information

rID: 23446
Case created: 16th Jun 2013
Last edited: 15th Jan 2017
Inclusion in quiz mode: Included

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