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Typical MRI findings in patients with a “frontal gait disturbance” (axial T2-weighted images):
(a) A man with normal-pressure hydrocephalus (ventriculomegaly, narrow sulci)
(b) A man with vascular encephalopathy (marked white-matter hyperintensities, normal ventricular size)
Patient A could benefit from the insertion of a ventriculoperitoneal shunt, while Patient B could benefit from tight medical treatment of his blood pressure.
