Citation, DOI, disclosures and article data
Citation:
Sebastian B, Elfeky M, Weerakkody Y, et al. Air bubble sign (tension pneumocephalus). Reference article, Radiopaedia.org (Accessed on 24 Apr 2024) https://doi.org/10.53347/rID-62434
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 confused with the similarly named sign of complicated pulmonary hydatid disease: see air bubble sign (pulmonary hydatid).
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1. Ishiwata Y, Fujitsu K, Sekino T et al. Subdural Tension Pneumocephalus Following Surgery for Chronic Subdural Hematoma. J Neurosurg. 1988;68(1):58-61. doi:10.3171/jns.1988.68.1.0058 - Pubmed
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2. Sebastian B & Moideen J. Mount Fuji is Not as “Active” as We Think. IJNS. 2018;07(03):278-9. doi:10.1055/s-0038-1667388
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