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目的:评价斜方肌骨肌皮瓣修复口腔软组织和半侧下颌骨切除术后缺损的可靠性.方法:10例口腔、颌骨恶性肿瘤患者行半侧下颌骨和累及的软组织手术切除,术后缺损采用斜方肌骨肌皮瓣修复.男6例,女4例,年龄45～79岁,平均年龄61.2岁.T4NOM0期3例,T4N1M0期7例.皮瓣大小为(7cm×6cm)～(16cm×8cm).结果:8例患者皮瓣全部成活.2例患者皮瓣边缘略有坏死.随访观察7～24个月,7例患者生存良好,无复发;1例患者死于肝、肺转移;2例患者术后复发,行二次手术,目前尚存活.结论:斜方肌骨肌皮瓣是一种修复口腔软组织和下颌骨半侧切除遗留的巨大缺损可靠的方法.“,”PURPOSE: To assess the reliability and usefulness of the trapezius osteomyocutaneous island flap for reconstructing hemimandibular and oral soft tissue defects. METHODS: Ten hemimandibular and oral soft tissue defects were repaired with trapezius osteomyocutaneous island flap after resection of the oral and mandibular malignant tumors. Among them ,6 patients were males and 4 patients were females; the age of the patients ranged from 45 to 79 years.Three patients were classified as T4NOM0, and seven patients were classified as T4N1M0.The sizes of the skin paddle ranged from (7cm×6cm)to (16cm×8cm). RESULTS: The postoperative outcome for trapezius osteomyocutaneous island flap was survival in 8 cases, including 2 cases with minimal partial necrosis.Seven of them were alive with no disease, two are alive with disease,and one died of lung and liver metastasis. CONCLUSIONS: The trapezius osteomyocutaneous island flap is reliable for reconstructing hemimandibular and oral soft tissue defects following the ablation of advanced oral malignant tumors.