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目的分析半侧颜面短小畸形(Hemifacial Microsomia,HFM)中的下颌骨畸形与外耳畸形之间的统计学相关性。方法以2013年1月至2014年12月来院就诊的118例HFM患儿为研究对象,根据改良的OMENS Plus分类系统进行分型,全部病例行面部多角度拍照、面部三维扫描及头部CT检查。根据照片及面部三维扫描对外耳畸形进行分类,根据头部CT结果进行三维重建,采用Mimics软件进行下颌骨测量并分类。应用逻辑回归模型对下颌骨畸形和外耳畸形进行统计学相关性分析。结果 118例患者中,全部患者都表现为下颌骨畸形,其中M1型27例(22.9%),M2A型45例(38.1%),M2B型41例(34.7%),M3型5例(4.2%)。所有患者都存在耳部轻度到重度畸形,其中E1型20例(16.9%),E2型24例(20.3%),E3型51例(43.2%),E4型23例(19.5%)。相关系数(P=0.647)显示,两者之间没有显著的统计学相关性。结论本组HFM患者中的下颌骨畸形与外耳畸形的严重性没有统计学相关性。
Objective To analyze the statistical correlation between mandibular and semicircular malformations in Hemifacial Microsomia (HFM). Methods A total of 118 HFM patients admitted to our hospital from January 2013 to December 2014 were enrolled in the study. According to the modified OMENS Plus classification system, all the patients underwent facial multi-angle photography, facial 3D scanning and CT scans . The external ear deformity was classified according to the photograph and facial 3D scanning. The 3D reconstruction was performed according to the results of head CT. Mimics software was used to measure and classify the mandible. Logistic regression model was used to analyze the correlation between mandibular deformity and external ear deformity. Results Among the 118 patients, all patients presented with mandibular deformity, of which 27 (22.9%) were M1, 45 (38.1%) were M2A, 41 (34.7%) were M2B and 5 (4.2% ). All patients had mild to severe auricular malformations, of which 20 (16.9%) were type E1, 24 (20.3%) were E2, 51 (43.2%) were E3 and 23 (19.5%) were E4. The correlation coefficient (P = 0.647) showed no significant statistical correlation between the two. Conclusions There is no statistical correlation between the severity of mandibular anomalies and the outer ear deformities in HFM patients in this group.