Correlations between echo-encephalographic and computer tomographic measures of third and lateral ventricle size in children and adults

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Abstract
Accuracy of echo-encephalography (EVG) was assessed by comparison with computer-tomography (CT) in a material of 49 children aged 2 wk to 15.5 yr and 158 adults aged 17-83 yr. Third ventricle width could be measured on EVG in all the patients, and the correlations with CT values were excellent both in children and adults (r = 0.89 and r = 0.94, respectively). Lateral ventricle echoes could be recorded in 43 children (87.7%) and in 95 adults (60.1%). There were very good correlations between lateral ventricle size estimated as LVI (lateral ventricle index on EVG) and BI (body index on CT) both in children and adults (r = 0.84 and r = 0.86, respectively). In adults, a fairly large proportion (46.3%) of the patients, where lateral ventricle echoes could be recorded, apparently had essentially normal ventricle systems, although there was evidence that these echoes could be recorded more easily from widened ventricles.