胸大肌肌皮瓣已经成为癌瘤根治术后整复手术中最常用的皮瓣。这种类型的皮瓣较其他种类的肌皮瓣具有几个优点,即手术中不需要改变病人的体位;可同时由二组人员施行手术;具有很大的灵活性和可靠性,供瓣区位于头颈部癌瘤正常的扩散途径以外;以及不影响颈淋巴根治术的施行。应用胸大肌后的后遗症极少,但全部去除胸大肌后可造成外形上的畸形和手臂的功能损害。后者对某些体力劳动者可能是很重要的。作者在文中报告了一种改良的胸大肌肌皮 Pectoralis major myocutaneous flap has become the most commonly used flap in reconstructive surgery after radical resection of cancer. This type of flap has several advantages over other types of myocutaneous flap, that is, there is no need to change the patient's position during surgery; it can be performed by two groups of personnel at the same time; it has great flexibility and reliability for the flap area Located in the normal spread of head and neck cancer outside the channel; and does not affect the implementation of radical neck surgery. After the application of pectoralis major sequelae, but all the pectoralis major can cause the appearance of deformity and functional impairment of the arm. The latter may be important for some manual workers. The authors report in the text of an improved pectoralis major muscle skin