Perilymph Fistula as a Complication of Eustachian Tube Dilation and Tympanoplasty

Figure 1

(a) PTA on the 1st postoperative day after tympanoplasty type I on the right and ETD on both sides. Regular BC threshold on the right. (b) PTA on day 5 postoperative tympanoplasty type I right and ETD bilateral. BC drop of 10–20 dB pantonal right. (c) No response when examining the cVEMP. (d) vHIT of the lateral semicircular canal. Right gain of 0.18, left 1.03.

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