case_images: PMC9443604_01
case_images: Temporal bone axial CT scan showing contact of the cholesteatoma's capsule with sigmoid sinus and meninges.
case_images: gr1.jpg
case_images: PMC9443604_01_gr1.jpg
case_images: fig1
case_images: CEAC and requested a CT scan of temporal bones. CT scan showed erosion of the posterior wall of the EAC, mastoid involvement and exposure of the lateral sinus and meninges (Figure 1).
case_images: Transoperative picture of modified radical mastoidectomy showing intact TM and CEAC affecting the mastoid.
case_images: gr2.jpg
case_images: PMC9443604_01_gr2.jpg
case_images: fig2
case_images: Transoperative observation revealed erosion of the entire posterior wall of the EAC, except for a thin bone band close to the tympanic ring (Figure 2).