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Communicating hydrocephalus

Case contributed by Frank Gaillard
Diagnosis almost certain

Presentation

Gradual deterioration in mental state.

mri

MRI demonstrates marked dilatation of the ventricular system, including the fourth ventricle, with wide open foramen of Luschka and Magendie. There is no transependymal edema (in keeping with chronic dilatation).

Case Discussion

Findings are consistent with communicating hydrocephalus

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