Perilymph Fistula as a Complication of Eustachian Tube Dilation and Tympanoplasty

Figure 2

(a) PTA on the 1st postoperative day after tympanoscopy with round window coverage on the right. Increase of the BC threshold of 5–15 dB pantonal. (b) PTA 3 weeks after tympanoscopy with round window coverage on the right. Complete regression of the BC threshold on the right. (c) Presence of a response when examining the cVEMP. (d) vHIT of the right lateral semicircular canal. Increase of gain up to 0.58.

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