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Pneumoencephalographic Findings in Parkinsonism

Pneumoencephalographic Findings in Parkinsonism Abstract • Pneumoencephalograms of 19 patients with unilateral parkinsonism, and of 26 patients with symptoms of generalized parkinsonism were studied. Cortical atrophy was found in 46.7% (21), while central (ventricular) atrophy occurred in 77.8% (35) of the patients. The percentage of patients with cortical atrophy, or with enlargement of ventricular body span (VBS) and septum-caudate distance (S-C), was smaller in the hemiparkinsonism group. No substantial correlation was found between enlargement of frontal horn width (FH), S-C and third ventricle width (3V), and the duration of illness. Likewise, no noteworthy correlation could be seen between the degree of central atrophy and the severity of the clinical symptoms. The FH/S-C ratio of the group of unilateral parkinsonism patients was higher than in the generalized parkinsonism group. The FH/S-C ratios in parkinsonism and in Huntington chorea patients varied. A ratio of >1.40 was found in 73.3% of the patients with parkinsonism, and in an earlier study, it was found that 96.4% of the patients with Huntington chorea had a ratio < 1.40. It is suggested that a FH/S-C ratio ⩽ 1.40 is compatible with the diagnosis of Huntington chorea, although 26.7% (12) patients with parkinsonism have a ratio ⩽ 1.40. References 1. Fraenkel S: The practical application of encephalography . Br J Radiol 31:264-266, 1926. 2. Svennilson E, Torvik A, Lowe R, et al: Treatment of parkinsonism by stereotactic thermolesions in the pallidal region . Acta Psychiat Scand 35:358-377, 1960.Crossref 3. Selby G: Cerebral atrophy in parkinsonism . J Neurol Sci 6:517-559, 1968.Crossref 4. Schwab RS, England AC, Peterson E: Akinesia in Parkinson's disease . Neurology 9:65-72, 1959.Crossref 5. Fahn S, Mishkin MM, Hoffman RR: Pharmacologic and radiologie investigations in Huntington's chorea , in Advances in Neurology . New York, Raven Press, 1973, pp 581-597. 6. Engeset A, Skraastad E: Methods of measurements in encephalography . Neurology 14:381-385, 1964.Crossref 7. Davidoff LM, Dyke CG: The Normal Encephalogram . Philadelphia, Lea & Febiger, 1946, p 96. 8. Gath I, Vinje B: Pneumoencephalographic findings in Huntington's chorea . Neurology 18:991-996, 1968.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Neurology American Medical Association

Pneumoencephalographic Findings in Parkinsonism

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Publisher
American Medical Association
Copyright
Copyright © 1975 American Medical Association. All Rights Reserved.
ISSN
0003-9942
eISSN
1538-3687
DOI
10.1001/archneur.1975.00490530091010
Publisher site
See Article on Publisher Site

Abstract

Abstract • Pneumoencephalograms of 19 patients with unilateral parkinsonism, and of 26 patients with symptoms of generalized parkinsonism were studied. Cortical atrophy was found in 46.7% (21), while central (ventricular) atrophy occurred in 77.8% (35) of the patients. The percentage of patients with cortical atrophy, or with enlargement of ventricular body span (VBS) and septum-caudate distance (S-C), was smaller in the hemiparkinsonism group. No substantial correlation was found between enlargement of frontal horn width (FH), S-C and third ventricle width (3V), and the duration of illness. Likewise, no noteworthy correlation could be seen between the degree of central atrophy and the severity of the clinical symptoms. The FH/S-C ratio of the group of unilateral parkinsonism patients was higher than in the generalized parkinsonism group. The FH/S-C ratios in parkinsonism and in Huntington chorea patients varied. A ratio of >1.40 was found in 73.3% of the patients with parkinsonism, and in an earlier study, it was found that 96.4% of the patients with Huntington chorea had a ratio < 1.40. It is suggested that a FH/S-C ratio ⩽ 1.40 is compatible with the diagnosis of Huntington chorea, although 26.7% (12) patients with parkinsonism have a ratio ⩽ 1.40. References 1. Fraenkel S: The practical application of encephalography . Br J Radiol 31:264-266, 1926. 2. Svennilson E, Torvik A, Lowe R, et al: Treatment of parkinsonism by stereotactic thermolesions in the pallidal region . Acta Psychiat Scand 35:358-377, 1960.Crossref 3. Selby G: Cerebral atrophy in parkinsonism . J Neurol Sci 6:517-559, 1968.Crossref 4. Schwab RS, England AC, Peterson E: Akinesia in Parkinson's disease . Neurology 9:65-72, 1959.Crossref 5. Fahn S, Mishkin MM, Hoffman RR: Pharmacologic and radiologie investigations in Huntington's chorea , in Advances in Neurology . New York, Raven Press, 1973, pp 581-597. 6. Engeset A, Skraastad E: Methods of measurements in encephalography . Neurology 14:381-385, 1964.Crossref 7. Davidoff LM, Dyke CG: The Normal Encephalogram . Philadelphia, Lea & Febiger, 1946, p 96. 8. Gath I, Vinje B: Pneumoencephalographic findings in Huntington's chorea . Neurology 18:991-996, 1968.Crossref

Journal

Archives of NeurologyAmerican Medical Association

Published: Nov 1, 1975

References