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Peter C. Williamson, MD
Department of Psychiatry University Hospital 339 Windermere Rd, Box 5339 London, Ontario Canada N6A 5A5

Ashok Malla, MD; Len Cortese, MD; A. Jon Stoessl, MD; Dick Drost, PhD
London, Ontario

Jeff A. Stanley, PhD
Pittsburgh, Pa

Arch Gen Psychiatry. 1997;54(2):186-187.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Phosphorus 31 magnetic resonance spectroscopy (MRS) provides in vivo information about membrane phospholipid and high-energy phosphate metabolism in the brain.¹ We recently described³¹P MRS findings in never-treated patients with schizophrenia compared with matched control subjects.² These patients were found to have lower concentrations of phosphomonoesters and increased concentrations of phosphodiesters and calculated intracellular magnesium in the prefrontal region compared with matched control subjects. We report a case of Huntington disease (HD) that was inadvertently included in our³¹P MRS study in the nevertreated group with schizophrenia.²

Report of a Case. A 19-year-old man had a 3- to 4-year history of deterioration in general functioning, increased social withdrawal, positive symptoms, and a recent history of bizarre purposeless behavior and poor judgement. The patient reported alien thoughts and ideas of reference. He demonstrated poverty of thought, flat affect, thought blocking, and poor abstraction with no perceptual . . . [Full Text PDF of this Article]

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