A patient presents with ataxia, urinary incontinence, and dementia.The likely diagnosis is:
Ans.D (Normal Pressure Hydrocephalus):Normal Pressure HydrocephalusThis is communicating hydrocephalus with an aqueduct of Sylvius caused by obstruction to the normal flow of CSF over the cerebral convexities and delayed absorption into the venous system.The CSF opening pressure is in the high normal range (Hence called Normal Pressure Hydrocephalus).Characteristic Clinical Triad (Adam's or Hakim's triad)Abnormal Gait (Ataxic or Apractic)Dementia (Usually mild or moderate)Urinary incontinence
Alzheimer's Disease
Parkinson's disease
Steel Richardson syndrome
Normal Pressure Hydrocephalus