PMC3420496_01
(a) Brain CT (axial section) free air (arrow) is observed in the subdural space. (b) Temporal bone target CT (sagittal section); the tympanic segment of the facial nerve (arrow) appears to be directly exposed to the tympanic cavity.
CRIM.OTOLARYNGOLOGY2012-329536.001.jpg
PMC3420496_01_CRIM.OTOLARYNGOLOGY2012-329536.001.jpg
fig1
Brain computed tomography (CT) revealed free air in the right subdural space in the midcranial fossa (Figure 1(a)).