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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 5 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 5

From: 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?

Fig. 5

Case 2 A 25-year-old male presented with proven cholesteatomatous CSOM. a Type-II (pyramidal type) is seen as a pyramidal projection at the lateral margin of the attic. The curved multi-planar image in b shows erosion of the lenticular process of the incus. Image c shows the mass effect on the attic and mild aditus widening. Köerner’s septum is not visualized. d Marked tegmental defects

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