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April 1991

Right Parietal Stroke With Gerstmann's Syndrome: Appearance on Computed Tomography, Magnetic Resonance Imaging, and Single-Photon Emission Computed Tomography

Author Affiliations

From the Departments of Neurosurgery (Dr Moore) and Neurology (Drs Saver and Romero), Brigham and Women's Hospital, and the Department of Neurology (Dr Johnson), Massachusetts General Hospital and Harvard Medical School, Boston, Mass.

Arch Neurol. 1991;48(4):432-435. doi:10.1001/archneur.1991.00530160102023

• We examined a patient who exhibited Gerstmann's syndrome (left-right disorientation, finger agnosia, dyscalculia, and dysgraphia) in association with a perioperative stroke in the right parietal lobe. This is the first description of the Gerstmann tetrad occurring in the setting of discrete right hemisphere pathologic findings. A well-localized vascular lesion was demonstrated by computed tomography, magnetic resonance imaging, and single-photon emission computed tomographic studies. The patient had clinical evidence of reversed functional cerebral dominance and radiologic evidence of reversed anatomic cerebral asymmetries.

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