Fig. 1From: 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?Cog type-I (a) seen as a thin complete plate as compared to “cog” type-II (b) shown a pyramidal bony projection (colored arrowheads)Back to article page