• 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.
Moore MR, Saver JL, Johnson KA, Romero JA. Right Parietal Stroke With Gerstmann's Syndrome: Appearance on Computed Tomography, Magnetic Resonance Imaging, and Single-Photon Emission Computed Tomography. Arch Neurol. 1991;48(4):432–435. doi:10.1001/archneur.1991.00530160102023
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