PMC6572922_01
Axial head computed tomography showing pneumocephalus in right middle fossa.
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A noncontrast head computed tomography scan, performed at an outside institution, showed pneumocephalus in the right middle fossa adjacent to the temporal bone ( Figure 1 ).
Coronal computed tomography of the neck and skull base showing suspected site of tegmen tympani thinning and suspected dehiscence.
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The patient later underwent a neck and skull base computed tomography scan, with and without contrast, which indicated thinning and possible dehiscence of the right tegmen tympani ( Figure 2 ).