Fig. 1
A 25-year-old male patient (→ showing the following imaging features in axial section) soft tissue density in the left epitympanum, mesotympanum involving prussak’s space extending into mastoid air cells, opacification of petrous apex, erosive changes in adjacent bone with erosion of walls of facial canal and exposed tympanic part of facial nerve and soft tissue opacification of skull base with adjacent bony erosion