面部不对称畸形患者下颌骨核素骨扫描临床分析

目的：研究面部不对称畸形患者下颌骨的放射性核素分布，帮助临床医师确定治疗时机和治疗方式。方法：29例面部对称者作为正常对照组。实验组为207例面部不对称畸形患者，测量29例面部对称和207例面部不对称畸形患者下颌骨不同部位的放射性计数，比较髁突、下颌支、下颌体99mTc-MDP摄入量百分比。采用SPSS13.0软件包对数据进行统计学处理。结果：成年和未成年患者的面部不对称畸形患者下颌骨99mTc-MDP摄入量有显著差异，男性和女性的下颌骨99mTc-MDP摄入量无显著差异。在下颌骨发育活性异常的患者中，99mTc-MDP摄取量差异值在髁突、下颌体、下颌支依次为(22.50±1.67)%、(6.93±1.02)%和(13.67±0.95)%。髁突的摄入量差异值最大。结论：下颌骨的生长发育与身体生长发育有所不同。放射性核素骨扫描可对下颌骨发育情况做出评价，为临床医师确定治疗时机与方式提供依据。

Clinical analysis of radionuclide bone scan in patients with facial asymmetry

PURPOSE: To study the radionuclide distribution in mandible of patients with facial asymmetry and help to select proper time and type of treatment. METHODS： The control group included 29 people with no facial asymmetry, while the experimental group consist of 207 patients with facial asymmetry. The radioactive count in 29 normal controls and 207 patients with facial asymmetry were measured and compared using 99mTc-MDP intake percentage in mandibular condyle, ramus and body. SPSS13.0 software package was used for statistical analysis. RESULTS: There was significant difference between adult and adolescent patients in 99mTc-MDP intake of the condyles. There was no significant difference between male and female in the 99mTc-MDP intake of the condyles. The 99mTc-MDP intake difference percentage was (22.50±1.67)%, (6.93±1.02)% and (13.67±0.95)% in mandibular condyle, ramus and body, respectively. The intake difference value of the condyle was the biggest. CONCLUSIONS: The mandible growth trend is different from the body’s growth and development trend. We can analyze the trend of mandible development by radionuclide bone scan and select proper time and type of treatment.