胸大肌肌皮瓣在头颈部修复中已应用广泛 ,但用其折叠皮瓣对头颈部邻近多个器官的修复报道相对较少。如何用该皮瓣在保留下颌骨连续性的同时对口颊部洞穿性缺损进行修复 ,避免肌蒂受压 ,使皮瓣存活 ,术后外观不臃肿 ,有较正常的咀嚼和语言功能 ,仍是值得探讨的问题。笔者对不能 Pectoralis major myocutaneous flap in the head and neck has been widely used in the repair, but with its folded flap on the head and neck near the repair of multiple organs reported relatively small. How to use the flap to maintain the mandibular continuity while at the same time to repair the buccal cavity defects, to avoid muscle pedicle compression, the survival of the flap, postoperative appearance is not bloated, more normal chewing and language function, is still Worth to explore the issue. I can not