title: Right hand predominant constructional apraxia due to right hemisphere infarction without corpus callosum lesions.
abstract: A 74-year-old right-handed woman without cognitive impairment suddenly developed nonfluent aphasia. Brain MRI showed acute infarction in the right frontal lobe and insula without involvement of the corpus callosum. A neurological examination demonstrated not only transcortical motor aphasia, but also ideomotor apraxia and right hand predominant constructional apraxia (CA). To date, right hand predominant CA has only been reported in patients with corpus callosum lesions. The right hand predominant CA observed in our patient may be associated with the failure to transfer information on the spatial structure from the right hemisphere to the motor cortex of the left hemisphere.
authors.affiliation: Department of Neurology, JA Toride Medical Center, Japan.
authors.forename: Zen
authors.initials: Z
authors.lastname: Kobayashi
authors.forename: Mayumi
authors.initials: M
authors.lastname: Watanabe
authors.forename: Yuri
authors.initials: Y
authors.lastname: Karibe
authors.forename: Chika
authors.initials: C
authors.lastname: Nakazawa
authors.forename: Yoshiyuki
authors.initials: Y
authors.lastname: Numasawa
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Tomimitsu
authors.forename: Shuzo
authors.initials: S
authors.lastname: Shintani
mesh_terms: D000368:Aged; D001072:Apraxias / Q000175:diagnosis / Q000209:etiology*; D020520:Brain Infarction / Q000150:complications* / Q000175:diagnosis; D003337:Corpus Callosum; D004292:Dominance, Cerebral; D005260:Female; D005625:Frontal Lobe / Q000473:pathology*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D009044:Motor Cortex / Q000473:pathology*; D014956:Writing