Sonographic evaluation of overall and regional vascularization of fetal brain: a preliminary methodological study
AbstractThe aim of this preliminary study is to develop a methodology to evaluate the vascularization of fetal brain in normal and abnormal canditions by three-dimensional sonography associated to Power Doppler (3DPD), with application of Virtual Organ Computer-aided Analysis (VOCAL) that allows to derive vascularization and flow indexes. In this connction, we propose a new method of standardization of the setting and the acquisition mode, choosing in different fetuses and at different gestational ages the same anatomical volumes, corresponding to five spherical regions of interest. In particular, tu study the overall vascularization of the fetal brain, we use a sphere with a diameter corresponding to the bi-parietal distance. To evaluate the regional vascularization, we identify four sampling spherical sites, two in each hemisphere. This standard technical approach according to correct morphological criteria allows to exclude from the analysis vascular territories external to the brain.
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Copyright (c) 2011 M. Oberto, P. Gaglioti, G. Oggè, E. Olearo, C. Pace, T. Trodos, G.L. Panattoni
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