摘要
Treacher Collins syndrome is caused by the maldevelopment of the first and second branchial arches. It is characterized by mandibulofacial dysostosis and has the following features: outward and downward obliquity of lateral canthi, colobomas of the lateral 1/3 of. the lower eyelids, flattening of malar bone, absence of zygomatic arches, a small and receding chin, sometimes accomapanied with small ears and cleft palate. In 8 cases, the authors reconstructed malar hypoplasia and micrognathia with bone graft and corrected the palpebral fissures. The results of this procedure are satisfactory.
Treacher Collins syndrome is caused by the maldevelopment of the first and second branchial arches. It is characterized by mandibulofacial dysostosis and has the following features: outward and downward obliquity of lateral canthi, colobomas of the lateral 1/3 of. the lower eyelids, flattening of malar bone, absence of zygomatic arches, a small and receding chin, sometimes accomapanied with small ears and cleft palate. In 8 cases, the authors reconstructed malar hypoplasia and micrognathia with bone graft and corrected the palpebral fissures. The results of this procedure are satisfactory.
