title: Monoparesis of the right hand following a localised infarct in the left "precentral knob".
abstract: A patient with acute weakness of the righ arm showed a focal lesion on MRI in the left 'precentral knob', not visible on CT.
authors.affiliation: Department of Neurology, Toda Central General Hospital, Toda City, Saitama, Japan.
authors.forename: H
authors.initials: H
authors.lastname: Tei
mesh_terms: D000368:Aged; D001132:Arm / Q000503:physiopathology; D002421:Caudate Nucleus / Q000098:blood supply; D002544:Cerebral Infarction / Q000150:complications* / Q000175:diagnosis; D006225:Hand / Q000503:physiopathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D009044:Motor Cortex / Q000098:blood supply*; D009048:Motor Skills / Q000502:physiology; D018908:Muscle Weakness / Q000209:etiology; D010291:Paresis / Q000209:etiology*