后鼻孔息肉

例罕见的鼻和口腔阻塞的儿童病例:鼻窦后鼻孔Killan息肉

果7例患者中0例起源于上颌窦,占7%,例起源于蝶窦,占7%,例起源于额窦,占%,例起源于中鼻道鼻腔外侧壁,占%。

Repair choanal atresia transspalatine

Repair choanal atresia transseptal

choanal hook

Choanal plast--trans nasal

Repair choanal atresia intranasal

choanal atresia

Choanal plast--trans oral

Opening of choanal atresia