PMC6398079_01
CT-brain scan demonstrates no intracranial free air and VP shunt in place in patient's 2 months prior presentation.
CRIEM2019-2757561.001.jpg
PMC6398079_01_CRIEM2019-2757561.001.jpg
fig1
At the time, a CT-brain scan showed bilateral VP shunts in place and no acute intracranial pathology (Figure 1).
CT-brain scan shows large amount of intracranial free air and bony defect at the right cribriform plate after starting the patient on nasal cannula.
CRIEM2019-2757561.002.jpg
PMC6398079_01_CRIEM2019-2757561.002.jpg
fig2
The CT scan of the base of the skull also revealed a small bony defect at the right cribriform plate with gas traversing from the nasal cavity to the cranium (Figure 2).