PMC9282812_01
Axial CT scan of the brain showing diffuse subcutaneous emphysema (a) reaching the face with air around the VP shunt distal catheter [arrows], (b) extending through the burr hole to the ventricles causing pneumocephalus, and (c and d) coronal CT scan of the brain showing intact skull base with no evidence of fractures.
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F1
A computed tomography (CT) scan of the brain was done which showed diffuse subcutaneous emphysema reaching up to the face with air around the VP shunt distal catheter [Figure 1a arrows] extending through the burr hole to the ventricles causing pneumocephalus [Figure 1b]. There was no evidence of skull base fractures on brain CT [Figures 1c and d].