File:Bilateral cholesteatoma (Radiopaedia 54898-61172 Coronal bone window 18).jpg

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Summary:

Description
  • Radiopaedia case ID: 54898
  • Image ID: 32545714
  • Image stack position: 18/72
  • Plane projection: Coronal
  • Aux modality: bone window
  • Study description: CT petrous bone
  • Modality: CT
  • System: Head & Neck
  • Findings: Mastoid air cells are sclerotic, with marked anterolateral sigmoid protrusion and low temporal dura bilaterally. Right ear shows: Near total opacification of middle ear cavity, filling the epitympanic recess, facial recess, and sinus tympani, as well as round and oval window niches. Opacified Eustachian tube. Tympanosclerotic foci around the malleus head. Ossicular chain shows eroded incus and ill defined stapes. Focal dehiscence of the tympanic segment of facial canal as well as marked rarefaction of the tegmen. Left ear shows: Near total opacification of middle ear cavity; filling the epitympanic recess, facial recess and sinus tympani, as well as round and oval window niches. Opacified Eustachian tube. Tympanosclerotic foci around the malleus head.
Date Published: 7th Aug 2017
Source https://radiopaedia.org/cases/bilateral-cholesteatoma
Author Mostafa El-Feky
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

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