abnormal patency of eustachian tube的用法和样例：
- In 2 cases (4 ears), abnormal patency of eustachian tube was diagnosed.
- Treatment of Abnormal Patency of Eustachian Tube with Shunt Operation of the Tensor Veli Palatini Muscle Tendon
- The patency of the eustachian tube is compromised.
- abnormal course of eustachian tube