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Fig. 2 | European Journal of Hybrid Imaging

Fig. 2

From: Clinically viable myocardial CCTA segmentation for measuring vessel-specific myocardial blood flow from dynamic PET/CCTA hybrid fusion

Fig. 2

A 3D display of CCTA-derived coronaries centerlines after fusion of dPET data with CCTA-derived anatomical masks obtained by manual delineation (red), with a fully automated segmentation algorithm (blue) and after manual revision of the automatically obtained masks (orange). B Extraction of the myocardium subtended to the LAD centerline and its discretization in ROIs from which TACs will be derived and used in the model for MBF quantification. C Derived 2D plots of stress (red) and rest (blue) MBFvs along the LAD length in mm from the base to the apex of the heart; markers * indicate the flow values obtained from the cubic ROIs; continuous curves obtained by interpolation. LAD left anterior descending artery, TACs time activity curves, ROI region of interest

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