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. 2012 Oct 19;123(2):472–476. doi: 10.1002/lary.23626

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Copyright © 2012 The American Laryngological, Rhinological, and Otological Society, Inc.

Re-use of this article is permitted in accordance with the Creative Commons Deed, Attribution 2.5, which does not permit commercial exploitation.

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Fig. 6 — Typical case of improved Eustachian tube function after MAC regeneration. Nine-year-old female with cholesteatoma with adhesive otitis media. (a-1, b-1) High-resolution CT scan of the temporal bone. (a-2, b-2) Sonotubometry test results for Eustachian tube ventilatory function. (a) Pre-operation. Development of mastoid air cells and Eustachian tube function is poor and there is no aeration in the mastoid cavity. (b) Six months after the second-stage operation. Regenerated mastoid air cells and good aeration in the mastoid cavity are observed along with concurrent improvement of Eustachian tube function.