J Neurol Surg B Skull Base 2025; 86(S 01): S1-S576
DOI: 10.1055/s-0045-1803415
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A Case of Symptomatic Pneumocephalus Caused by an Ethmoid Osteoma

Ethan Cline
1   ICOM
,
Shravan Atluri
1   ICOM
,
Anthony Guidotti
1   ICOM
,
Ondrej Choutka
2   Saint Alphonsus Medical Center, Boise, Idaho
,
Erin Reilly
2   Saint Alphonsus Medical Center, Boise, Idaho
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We present the case of a 52-year-old female with a 2-year history of headache, transient CSF rhinorrhea, and a recent development of left hemiparesis caused by severe pneumocephalus. Although osteomas typically expand the skull base, in this patient’s case, the osteoma eroded a portion of her ethmoid bone, creating a ball-valve-like structure within her skull base, allowing air to enter the intracranial cavity.



Publication History

Article published online:
07 February 2025

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