Computed tomography and pneumoencephalography compared to conductance to outflow of CSF in normal pressure hydrocephalus
- 1 August 1980
- journal article
- research article
- Published by Springer Nature in Neuroradiology
- Vol. 20 (1) , 17-22
- https://doi.org/10.1007/bf00346856
Abstract
The conductance to outflow of CSF (Cout) was measured in 66 patients with normal pressure hydrocephalus (NPH). All patients were investigated with computed tomography (CT); 34 of the patients also had pneumoencephalography (PEG). Periventricular hypodensity on CT indicates a low Cout. Cortical sulci smaller than 1.9 mm on CT indicate a low Cout, while wide cortical sulci do not exclude a low Cout. There was a good correlation between ventricular size on CT and PEG, but the ventricular size is unrelated to Cout. No findings on PEG indicate a low Cout.Keywords
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