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J Neuroimaging. 2000 Oct;10(4):236-8.

False subarachnoid hemorrhage in anoxic encephalopathy with brain swelling.

Author information

1
Department of Neurology, Mayo Clinic, 200 First Street SW, Rochester, Minnesota 55905, USA.

Abstract

The authors present two comatose patients with brain swelling from anoxic encephalopathy. Nonenhanced computed tomography (CT) images showed increased density on the falx, on the tentorium, and in the basal cisterns, all of which falsely suggested subarachnoid hemorrhage. Autopsy in both patients failed to show subarachnoid hemorrhage. In rare circumstances, anoxic encephalopathy can mimic subarachnoid hemorrhage on nonenhanced CT.

PMID:
11147407
DOI:
10.1111/jon2000104236
[Indexed for MEDLINE]

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