During operation,an intranasal and marginal combining incision was made to explore the alar carti- lages and to from a mucosal-cartilage flap in the nasal vestibule.

• 手术经鼻端和患侧前庭联合切口,解剖、显露双侧鼻翼软骨,同时形成患侧前庭粘膜软骨瓣;