The hypoplasia and abnormal structure of large alar cartilage, maxillary bone, nasal muscle and palate bone on the affected side led to the nasal deformity.

• 由于患侧鼻翼软骨、鼻部肌肉、患侧上颌骨及腭骨发育不足及结构异常 ,导致鼻翼及鼻孔畸形。