MR differential diagnosis of normal-pressure hydrocephalus and alzheimer disease: Significance of perihippocampal fissures
Hydrocephalus, Normal Pressure
Magnetic Resonance Imaging
The degree of dilatation of PHFs appears to be a sensitive and specific marker for differentiating AD from NPH by both subjective and objective means, with a very small overlap between the two groups. This observation may have relevance in day-to-day practice.