Conclusion: Safe scope could be acquired in endoscopic transnasal surgery in pterygopalatine fossa and foramen rotundum could be thought as an important landmark.
结论：经鼻内窥镜翼腭窝手术可以获得相对安全的范围，圆孔可以作为手术中重要的标志结构。
2
Objective:To observe the effect of treating epistaxis by injecting drugs into the pterygopalatine recess through great palate foramen.