Fig. 3From: Distribution of different morphological types of anterior epitympanic plate “cog” and Köerner’s septum in CT images of cholesteatomatous and non-cholesteatomatous CSOM: is it really significant?Köerner’s septum (colored arrowheads) is shown as a thin bony plate at the lateral most portion of the mastoid cavity, seen slightly interrupted (a) and complete in (b)Back to article page