摘要目的:总结胸大肌皮瓣在颌面部"冰冻颈"术后复杂缺损中的应用。方法:回顾性分析2020年10月至2022年10月期间徐州市中心医院口腔科收治的7例颌面部"冰冻颈"患者的临床资料，采用胸大肌皮瓣修复术后复杂缺损并观察其治疗效果。结果:7例患者皮瓣均成活，无严重并发症，经3~24个月随访，患者基本满意。结论:胸大肌皮瓣血供可靠，组织量丰富，且应用较灵活，成活率高，修复效果显著，特别是"冰冻颈"患者术后复杂缺损修复的较好选择，具有临床应用价值。

abstractsObjective:To summarize the application of pectoralis major flap in complex defects after maxillofacial " frozen neck" surgery.Methods:The clinical data of 7 patients with maxillofacial " frozen neck" admitted to the Department of Stomatology of the Xuzhou Central Hospital from October 2020 to October 2022 were retrospectively analyzed. The pectoralis major flap was used to repair the complex defects after surgery and the treatment effect was observed.Results:All 7 patients had survived flap transplantation with no serious complications. After 3 to 24 months of follow-up, the patients were basically satisfied with the treatment effect.Conclusions:The pectoralis major flap has reliable blood supply, abundant tissue, and can be applied flexibly with a high survival rate and significant repair effect. It is a good choice for repairing complex defects after " frozen neck" surgery, and it has clinical application value.