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Fig. 3 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 3

From: Tuberculous otitis media masquerading as malignancy: a diagnostic challenge

Fig. 3

Axial sections of MR image at base of skull shows: A) DWI image: restricted diffusion, predominantly in periphery, in the soft tissue along left cerebellopontine angle (blue arrow). B) ADC image: corresponding signal drop (blue arrow). C) Post-contrast T1 fat-suppressed MR image: Enhancing soft tissue in left external auditory canal, petromastoid air cells (red arrow) with attenuated calibre of left sigmoid sinus (blue arrow). D) Post-contrast T1 fat-suppressed MR image: Markedly attenuated calibre with filling defect within distal sigmoid sinus (blue arrow)

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