No intra/extra-axial collections. No midline shift or herniation. Grey-white matter differentiation is preserved. No enhancing intracranial lesions. The ventricles and CSF spaces are normal. No features of thrombosis of the major dural venous sinuses. The orbits appear normal. Paranasal sinuses are well-aerated.
Soft tissue thickening along the left external auditory canal. Extensive skin thickening and subcutaneous inflammatory change in the pre and post auricular regions. Heterogeneously enhancing soft tissue thickening extending superiorly along the temporalis and subgaleal space of the temporal bone. No appreciable focal hypodense collection within the region.
Partial opacification of the left mastoid air cells. No appreciable bony erosions of the external acoustic canal. The middle ear structures appear grossly intact.