Items tagged “pneumocephalus”
5 results found
Tension pneumocephalus is a neurosurgical emergency that occurs when subdural air causes a mass-effect over the underlying brain parenchyma, often from a ball-valve mechanism causing one-way entry of air into the subdural space 1. Clinical presentation Tension pneumocephalus has a varied clini...
Intraparenchymal hemorrhage and pneumocephalus
Diagnosis almost certain
Published 18 May 2015
Published 09 Jul 2016
Published 04 Jan 2018
Air bubble sign (tension pneumocephalus)
The air bubble sign is seen on CT of the brain and represents multiple small foci of air within the subarachnoid space, especially the Sylvian fissure.1 Although described as a sign of tension pneumocephalus it is also seen in pneumocephalus without elevated pressures.2 It should not be con...