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目的探讨晚期上颌窦肿瘤扩大切除术后组织缺损的修复，以提高其５年生存率。方法利用带血管蒂的胸大肌肌皮瓣或下斜方肌肌皮瓣修复组织缺损。结果８例晚期上颌窦肿瘤患者经手术扩大切除病灶后，５例采用胸大肌肌皮瓣，３例采用下斜方肌肌皮瓣一期修复组织缺损，均获愈合。５年生存率达４０％。结论胸大肌肌皮瓣和下斜方肌肌皮瓣是目前修复上颌窦肿瘤术后组织缺损较常用的组织瓣。由于前者供血可靠，操作简单，肌皮瓣易成活，可作为首选的修复材料。
Objective To investigate the repair of tissue defects after maxillary sinus tumor enlargement resection in order to improve its 5-year survival rate. Methods Vascular pedicled pectoralis major myocutaneous flap or lower trapezius myocutaneous flap was used to repair tissue defects. Results Eight patients with advanced maxillary sinus tumor were enrolled in this study. After the lesion was excised by surgery, pectoralis major myocutaneous flap was used in 5 cases and tissue flap was repaired in 3 cases with lower trapezius myocutaneous flap. 5-year survival rate of 40%. Conclusions The pectoralis major myocutaneous flap and the trapezius myocutaneous myocutaneous flap are the most commonly used tissue defects in repairing maxillary sinus tumors. Because of the former reliable blood supply, simple operation, easy to live muscle flap, can be used as the preferred repair material.