Total opacification was seen at the left mastoid air cells and left aditus ad antrum with sclerosis
and poor aeration. Associated with bony erosion of the left mastoid air cells bony septa mastoid
and mastoid part of the left temporal bone.
There is a well-defined peripheral rim enhancing collection seen at the left frontal-temporal scalp
region adjacent to the aforementioned bony erosion, measuring 1.2 cm in maximal thickness. It is
causing bulging of the overlying subcutaneous tissue and skin. No intracranial extension.
Soft tissue density was noted at the left middle ear cavity.
An irregular lytic lesion with minimal internal matrix calcification was seen with the right mastoid
bone. Associated with the destruction of the adjacent intervening bony septum.
Mucosal thickening seen at ethmoidal air cells, bilateral sphenoid and bilateral maxillary sinuses.
Nasal septum deviated to the right.