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. 2022 Feb 20;26(4):757–764. doi: 10.1007/s40477-022-00667-2

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Fig. 1 — Coronal ultrasound scans. a–c Coronal scans through the foramen of Monro, the choroid plexus, and the posterior aspect of 3rd ventricle above the tentorium: generalized increased echogenicity of brain parenchyma associated with obliteration of the gyral-sulcal interfaces and narrowing of interhemispheric fissure; the Corpus callosum (arrowhead) remains hypoechoic. d, e Comparison to normal age-matched US: Coronal scans through the foramen of Monro and through the choroid plexus respectively with normal demarcation of Sylvian fissure (small arrows) and gyral-sulcal interfaces (large arrows)