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Old 03-31-2011
apx85 apx85 is offline
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Just found this:

"Impaired absorption of CSF is the suspected mechanism in most cases of secondary normal pressure hydrocephalus (NPH). The most common identified underlying causes are intraventricular and/or subarachnoid hemorrhage (either from aneurysm or trauma) and prior acute or ongoing chronic meningitis (from infection, cancer, or inflammatory disease). Paget disease at the skull base, mucopolysaccharidosis of the meninges, and achondroplasia are other rarely reported causes of NPH"
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