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An unusual complication of the pectoralis major myocutaneous flap.

The development of myocutaneous flaps has been a major advance in reconstructive surgery of the head and neck. The pectoralis major myocutaneous flap has proven to be the most reliable and versatile for use in this area. There have been several reports of its advantages with few complications noted. This article reports two patients who developed osteomyelitis of the rib in the donor area of the pectoralis major myocutaneous flap. The etiology of this potentially serious complication is discussed and the management is outlined.