鼻翼沟显著性以中等为主，男女各占75%。
Middle ala nasi groove occupying 75% in males and females respectively.
但是，对那些在术前已做过鼻翼基底切除， 鼻翼基底切口在鼻翼沟上方超过2毫米和双侧侧鼻动脉受损过的病例仍要保持警悌。
However, caution is advised if the alar base has been previously excised, if the alar base incisions extend more than 2 mm above the alar groove, and the lateral nasal artery is damaged bilaterally.
鼻唇沟真皮下血管网皮瓣血液循环可靠，再造鼻翼的臃肿程度大大减轻。
The nasal labial thin skin flap with subdermal vascular plexus has reliable blood supply, and it makes the bulky repaired ala become thinner.
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