Localized Subarachnoid Purulence Mimicking Aneurysmal Subarachnoid Hemorrhage: A Case Report

Ken Shinno1, Hitoshi Fukuda1, Fumihiro Hamada1

  • 1Department of Neurosurgery, Kochi Medical School Hospital, Nankoku, JPN.

Cureus
|January 13, 2026
PubMed
Summary

Localized subarachnoid purulence can mimic aneurysmal subarachnoid hemorrhage. Early diagnosis requires considering systemic inflammation and rhinosinusitis history, potentially aided by MRI and lumbar puncture.

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