The origin of flaps was frontonasal flap in 58 cases, bilobed flap in 67 cases, reforming rhomboid flap in 152 cases, nasolabial flap in 118 cses, forehead falp in 33 cases.

皮瓣额鼻皮瓣58，双叶皮瓣67，菱形皮瓣152，鼻唇沟皮瓣118，额正中皮瓣33。