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Hemianesthesia and AphasiaAn Anatomical and Behavioral Study
Bradley T. Hyman, MD, PhD;
Daniel Tranel, PhD
Arch Neurol. 1989;46(7):816-819.
Abstract
• A 61-year-old right-handed man with a history of lacunar cerebrovascular disease and hypertension had the sudden onset of right-sided numbness and difficulty speaking. Neurologic evaluation revealed a dense right hemianesthesia that included the face, trunk, arm, and leg. Neuropsychological examination documented a conduction aphasia, which resolved nearly completely several months later. Computed tomographic and magnetic resonance imaging studies showed a lesion in the left hemisphere that involved the posterior insula and disrupted thalamocortical connections but entirely spared the thalamus proper. We suggest that the combination of hemianesthesia and aphasia indicates a white matter lesion subjacent to inferior parietal and posterior temporal cortices.
Author Affiliations
From the Department of Neurology, Division of Behavioral Neurology and Cognitive Neuroscience, University of Iowa College of Medicine, Iowa City.
Footnotes
Accepted for publication November 1, 1988.
Reprint requests to Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City, IA 52242 (Dr Tranel).
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