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- W2079228633 abstract "The current understanding of the placental vascular tree largely derives from time-consuming morphometric analyses performed by conventional histology, electron microscopy of corrosion casts and three-dimensional reconstructions based on physical tissue sections. In the present study, we demonstrate for the first time that micro-computed tomography (micro-CT) emerges as a new, non-destructive and fast tool for imaging and quantifying fetoplacental vasculature. Term placentae (n=5) were perfused with contrast agent consisting of barium-sulfate, gelatine and thymol shortly after Caesarean-section-delivery. Samples (1 cm(3)) from eight different regions of the placenta were subsequently scanned in a micro-CT. Using tomographic reconstruction algorithms, three dimensional images were obtained by micro-CT allowing total stereoscopic visualization and continuous quantitative analysis of the vascular structure of the investigated samples. These samples were compared regarding vascular surface (VS) and vascular density (vascular volume fraction, TCVF). Quantitative assessment showed an average vascular density of 16 per cent (SD+/-0.4) and a vascular surface of 475 mm(2)(SD+/-8) per total tissue volume (including intervillous space) of 125 mm(3). Micro-CT image-analysis showed no significant differences in the fetal vascularization among term placentae. Micro-CT imaging is feasible for imaging and analysis of the villous vascular tree, allows further morphologic studies and immunohistochemistry of the placental specimens and may emerge as an additional tool in the investigation of the physiology and pathophysiology of the placental vasculature." @default.
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- W2079228633 date "2004-01-01" @default.
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- W2079228633 title "Analysis of the Fetal Placental Vascular Tree by X-ray Micro-computed Tomography" @default.
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- W2079228633 doi "https://doi.org/10.1016/j.placenta.2003.08.010" @default.
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