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第一、第二鳃弓综合征主要是先天性单侧颜面发育不全。为研究此综合征面颅骨的X线表现,作者检查66例患儿,男、女各33例,年龄1～16岁。在面颅各区进行远距X线摄影,主要是正位全景体层X线摄影。 检查结果显示,66例均有不同程度的患侧下颌骨发育不全,19例无髁状突起,17例无下颌关节头。作者将下颌骨发育畸形分为3型:第1型20例,下颌骨缩小,下颌支缩短,关节窝变小。其中有13例患侧颧骨、上颌骨、鼻腔和眼眶比健侧缩小,有9例患侧外耳道狭窄,有6例患侧外耳道缺失。第2型
First, the second branchial arch syndrome is mainly congenital unilateral facial hypoplasia. To study the X-ray findings of the skull in this syndrome, the authors examined 66 children, 33 males and 33 females, aged 1 to 16 years. In the facial cranial area for long-distance X-ray photography, is mainly panoramic panoramic tomography. The examination showed that 66 cases had different degrees of ipsilateral mandibular hypoplasia, 19 cases without condyle, 17 cases without mandibular joint head. The author will be divided into three types of mandibular developmental deformities: Type 1 20 cases, mandibular narrowing, mandibular shortening, joint socket smaller. There were 13 cases of ipsilateral cheekbones, maxillary, nasal cavity and orbital shrinkage than the contralateral side, 9 cases of external auditory canal stenosis, 6 cases of external auditory canal loss. Type 2