In the diagnosis of hydrocephalus is used computed tomography, magnetic resonance imaging study of the fundus, and lumbar puncture.
Usually, in chronic hydrocephalus of adults in the fundus changes are absent, because No increase in intracranial pressure. When lumbar puncture is diagnosed the normal pressure of the cerebrospinal fluid, and in deriving the 40 - 60 ml of liquor (unless contraindicated), the condition of patients at some time improving (unloading test). CT scan of the brain revealed symmetrical expansion of the ventricles of the brain.
