Fig. 6

Post-contrast T1 fat-suppressed MR image at the base of skull after 6 months of treatment shows: A) Axial section: minimal residual enhancing collection in the petromastoid temporal bone with a significant interval reduction in its extension (red arrow). B) Axial section: Reduction in extension into the left cerebellopontine angle (red arrow) with narrow calibre and thrombosis of adjacent sigmoid sinus (blue arrow). C) Coronal section: resolution of soft tissue infiltration in left external auditory canal (red arrow) and reduction in enlarged left cervical lymph nodes (blue arrow)