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  Indian J Med Microbiol
 

Figure 5: Axial and coronal HRCT showing cholesteatoma with tegmen erosion: (a) axial CT at the level of petrous apex, (b) axial CT at the level of IAC: Showing soft tissue opacification of epitympanum, Prussa's space, mesotympanum, and hypotympanum. Partial erosion of ear ossicles seen. Erosion of tympanic part of facial nerve canal is noted on the left side. Soft tissue opacification of epitympanum, Prussak's space, mesotympanum, and hypotympanum and intact ossicles seen on right side. HRCT = High-resolution computerized tomography; CT = Computerized tomography, IAC = Internal auditory canal

Figure 5: Axial and coronal HRCT showing cholesteatoma with tegmen erosion: (a) axial CT at the level of petrous apex, (b) axial CT at the level of IAC: Showing soft tissue opacification of epitympanum, Prussa's space, mesotympanum, and hypotympanum. Partial erosion of ear ossicles seen. Erosion of tympanic part of facial nerve canal is noted on the left side. Soft tissue opacification of epitympanum, Prussak's space, mesotympanum, and hypotympanum and intact ossicles seen on right side. HRCT = High-resolution computerized tomography; CT = Computerized tomography, IAC = Internal auditory canal