目的：探讨翼腭管注射无水乙醇治疗原发性上颌神经痛的价值。
Objective: to study the value of treatment of maxillary neuralgia by injecting dehydrated Alcohol into Pterygopalatine canal.
对不同年龄的腭帆提肌与咽鼓管重叠的比例作了报道，提出了咽鼓管下壁和腭帆提肌随年龄增长而渐离管腔纵轴的观点；
Levator veli palatini muscle and infeior wall of eustachian tube move from the axis of the tube to outward gradually as increasing with age and overlapping proportion of them was reported.
横断面上腭鞘管位于翼腭窝的后方，翼管前端的内侧，呈窄锥形。
On axial HRCT, the palatovaginal canal was located behind of the pterygopalatine fossa and medial of the front part of pterygoid canal, showing narrow cone shaped.
应用推荐