上颌窦底提升术在早期上颌牙龈癌手术治疗中的应用

The application of maxillary sinus floor lifting in surgical treatment of early gingival cancers

目的 探讨上颌窦底提升术在早期上颌牙龈癌手术治疗中的应用价值。方法 选择 7例局限于上颌牙龈部的早期牙龈癌 (男 5例 ,女 2例 ) ,于上颌窦前壁开窗 ,行上颌窦底粘膜提升后 ,矩形扩大切除窦底上颌骨及肿瘤 ,腭瓣或颊脂垫瓣修复创面。结果 1例上颌窦底粘膜破损 ,其余 6例病人上颌窦底提升顺利。随访 1～ 2年无复发 ,近期效果满意。结论 该术式符合无瘤操作原则 ,具有切除病灶彻底 ,又尽量保瘤上颌骨功能的优点 ,尤其有利于修复重建 ,具有一定的临床推广价值。

WT5”BZ]Objective In order to provide a reliable way that can both remove the early gingival cancer and preserve the maxillary physiological function to the maximum. We evaluated the application of the sinus floor lifting in surgical treatment of early gingival cancers. Methods Seven patients with early gingival cancers locating in the upper gingivae were operated on with this method. The tumor and bone below the sinus were removed enbloc after sinus floor lifting through fenestration of the maxillary sinus. The wound was covered by palate or buccal fat pad flap and iodoform gauze. Results All the patients were successfully operated on. No recurrence was found after 1~2 years of follow up. Conclusion The method agrees with the principle of oncology surgery, which remove the tumor completely and retain the function of the maxilla maximamlly. More important, it provides a basis for later rehabilitation of the dentition, thus is worthy of wide use. [WT5”HZ]