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目的探索保留囊壁改良式开窗减压术在下颌骨大型囊肿治疗中的临床应用价值。方法选择2007年1月～2008年12月某科收住的46例下颌骨大型囊肿患者,机械抽样把其中28例分为改良组,余者分为对照组。对照分析改良组和对照组术后3个月及6个月颜面畸形消除情况、囊肿各指标变化情况和术后复发情况。结果改良组术后3个月颜面畸形消除率46.4%及术后6个月颜面畸形消除率67.9%比对照组16.7%及33.3%显著高(P﹤0.05)。改良组术后3个月囊腔缩小值[(48.91±9.23)%]、骨质增生厚度值[(25.21±3.47)mm]、骨密度测量数[(0.41±0.13)g/cm2]及术后6个月囊腔缩小值[(86.11±5.34)%]、骨质增生厚度值[(30.31±5.73)mm]、骨密度测量数[(0.51±0.22)g/cm2]比对照组术后3个月[(40.44±7.11)%]、[(15.45±4.61)mm]、[(0.35±0.24)g/cm2]及术后6个[(75.23±6.42)%]、[(25.43±3.22)mm]、[(0.42±0.17)g/cm2]显著高(P﹤0.05)。两组复发率对照显示,差异无统计学意义(P﹥0.05)。结论保留囊壁的改良式开窗减压术治疗下颌骨大型囊肿可显著提高治疗效果,但不增加术后复发率,值得临床中推广应用。
Objective To explore the clinical value of modified window-opening decompression in the treatment of large mandibular large cyst. Methods From January 2007 to December 2008, 46 patients with large mandibles admitted in one department were selected. Among them, 28 cases were divided into three groups according to mechanical sampling, the rest were divided into control group. Control analysis of the improved group and control group 3 months and 6 months after the removal of facial deformity, changes in various indicators of cysts and postoperative recurrence. Results The improvement rate of facial deformity was 46.4% in 3 months and 67.9% in 6 months after operation in the improved group compared with 16.7% and 33.3% in the control group (P <0.05). The values of cystic cavity reduction (48.91 ± 9.23)%, bone hyperplasia thickness (25.21 ± 3.47) mm, bone mineral density measurement (0.41 ± 0.13) g / cm 2 and surgery (86.11 ± 5.34)%], bone hyperplasia thickness [(30.31 ± 5.73) mm] and bone mineral density measurement [(0.51 ± 0.22) g / cm2] after 6 months after operation (15.45 ± 4.61) mm], [(0.35 ± 0.24) g / cm2] and 6 [(75.23 ± 6.42)%], [(25.43 ± 3.22) ) mm], [(0.42 ± 0.17) g / cm2] were significantly higher (P <0.05). The recurrence rate of the two groups showed no significant difference (P> 0.05). Conclusion Modified window-opening decompression for the treatment of large mandibular large cysts can significantly improve the therapeutic effect, but does not increase the recurrence rate, it is worth to promote the clinical application.