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Assessing repeatability of 3D Doppler indices obtained by static 3D and STIC power Doppler: a combined in‐vivo/in‐vitro flow phantom study

To compare the variability in vascularization flow index (VFI) seen in serial acquisitions obtained using spatiotemporal image correlation (STIC) and using conventional static three‐dimensional (3D) power Doppler (PD), for both in‐vitro and in‐vivo models, and to evaluate whether the curves formed by VFI values obtained from successive ‘frames’ in a STIC dataset are consistent and resemble the waveforms obtained by spectral Doppler analysis.