Fig. 2From: Middle ear ventilation status postoperatively after translabyrinthine resection of vestibular schwannoma with mastoid obliteration and Eustachian tube occlusion: is the Eustachian tube enough to ventilate the middle ear without the mastoid air cell system?Tympanometry data showing the average change in pre and postoperative pressure of the operative and non-operative sides. Statistically significant difference between groups (p = 0.00001)Back to article page