Ultrasound image of a complete tear of the pectoralis major muscle at the musculotendinous junction. The muscle fibers (arrow) have retracted away from the tendon (thick arrow) and are separated by a subacute hematoma (asterisk).
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.