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Frank R. Freemon, MD

Arch Neurol. 1976;33(9):658-659.

Abstract
• Sixty consecutive patients with progressive intellectual deterioration were evaluated by a specific protocol. Eighteen (30%) were found to have an underlying disease potentially reversible by medical or surgical therapy. Sixteen patients had a specific diagnosable but untreatable disease as a cause of dementia. The laboratory and radiologic tests of the protocol that uncovered treatable illnesses were the radioisotope brain scan (two cases of bilateral subdural hematoma), the pneumoencephalogram (seven patients with normal-pressure hydrocephalus), thyroid function screen, and liver function studies (one case each). Unrewarding tests included serum barbiturate, bromide, vitamin B₁₂, and folate levels.

Author Affiliations
From the Neurology Service, Nashville Veterans Administration Hospital, and the Department of Neurology, Vanderbilt University School of Medicine, Nashville, Tenn.

Footnotes
Accepted for publication Feb 24, 1976.

Reprint requests to Neurology Service, Veterans Administration Hospital, 1310 24th Ave South, Nashville, TN 37203 (Dr Freemon).

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