Ischemic lesions of the occipital cortex and optic radiations: Positron emission tomography

Thomas M. Bosley*, Michael Kushner, Allan Burke, Walter Cobbs, Martin Reivich

*Corresponding author for this work

Research output: Contribution to journalArticle

46 Scopus citations

Abstract

We used 18-F-fluoro-2-deoxyglucose positron emission tomography (PET) and computed tomogra¬phy (CT) to study eight patients with homonymous hemianopias or quadrantanopias due to ischemic lesions of the visual pathways. Four patients with ischemic damage to all or part of the occipital lobe had decreased glucose metabolism in the affected region. Three patients with ischemic damage limited to the optic radiations had decreased glucose metabolism in the portion of striate cortex appropriate for the visual field defect. Changes in glucose metabolism frequently occurred in the undamaged ipsilateral thalamus and visual association areas.

Original languageEnglish (US)
Pages (from-to)470-484
Number of pages15
JournalNeurology
Volume35
Issue number4
DOIs
StatePublished - Apr 1985

ASJC Scopus subject areas

  • Clinical Neurology

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