Fig. 1From: The routes of infection spread in central skull-base osteomyelitis and the diagnostic role of CT and MRI scansDay 0. Non-contrast enhanced CT in axial plane, section thickness 1 mm. The fatty tissues adjacent to the stylomastoid foramen are infiltrated, and cortical bone within the mastoid process is discretely eroded. The mastoid cells are filled with oedematous mucosa and soft tissueBack to article page