小脑扁桃体下疝畸形(ChiariI畸形)
cerebella tonsil herniation
复杂寰枕畸形
Complicated occipitocervical malformation
寰枕畸形
atlanto-occipital abnormalities
Congenital anomalies of atlanto-occipital region
枕骨骨膜瓣
periosteum flap of occipital bone
额眶骨畸形
Fronto-orbital advancement
颌骨畸形
jaw deformity
Maxillofacial deformity
jaw bone deformity
Maxillo mandibular deformity
orthognathic surgery
环状软骨畸形
cricoid cartilage anomaly
甲状软骨畸形
thyroid cartilage anomaly