The reminant of the middle turbinate and the upper arch of choana were helpful operative landmarks. Preoperative CT scan decrease the complications.
The reminant of the middle turbinate and the upper arch of choana were helpful operative landmarks. Preoperative CT scan decrease the complications.
中鼻甲残根和后鼻孔上穹窿为手术重要的安全标志 ,术前 CT扫描可以减少并发症的发生。