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Abstract
An immunoperoxidase technique was used to map the sites of herpes simplex virus antigen
(VA) within the brain in 29 autopsied cases of herpes simplex encephalitis. Attention
was directed particularly to those parts of the brain that are known from pathological
studies to be involved in the disease. Material was studied from cases surviving for
varying periods from a few days to a few years after the onset of neurological disease.
VA was found within the brain in all cases dying within 3 weeks of onset, but in none
dying thereafter. VA was already most abundant in patients dying within the first
week and remained plentiful during the first 16 days. Inflammation and necrosis reached
a peak when detectable virus was waning. VA was concentrated mainly in the medial
and inferior temporal lobes, hippocampus, amygdaloid nuclei, olfactory cortex, insula
and cingulate gyrus. It was invariably present on both sides of the brain but was
more abundant on one side than the other. Virus was found in glial cells of the olfactory
tracts but not in relation to trigeminal pathways. Attention is drawn to focally extensive
infection of the granule cells of the dentate fascia, and the possible significance
of this finding is discussed.
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Article info
Publication history
Accepted:
October 29,
1981
Received:
September 24,
1981
Footnotes
☆This work was supported by a grant from the Medical Research Council.
Identification
Copyright
© 1982 Published by Elsevier Inc.