fistulae

The fistulae were positioned by T tubeography and fistulography.

9例患者1例系肿瘤复发,余均为慢性炎症。

Conclusion: The best treating method of rhinorrhe in front bases of skull, bases of saddle and clivus blurnenbachii orificium fistulae except malignant tumor is endoscopic repair of fistubus opening.

论：前颅底、鞍底、斜坡处瘘口，除恶性肿瘤引起的鼻漏，最佳的治疗方法鼻内镜下修补瘘孔。

Dilation was easier when performed between days 3 and 5.The fistulae began cicatrized at 7 days post-PTCD, making it difficult to be dilated.

术后3、5d时扩张比较容易，术后第7天瘘道开始瘢痕化，扩张比较困难。