Journal of Healthcare Engineering / 2017 / Article / Fig 2

Research Article

Removal of Arterial Vessel Contributions in Susceptibility-Weighted Images for Quantification of Normalized Visible Venous Volume in Children with Sickle Cell Disease

Figure 2

Representative mIP SWI (a) from a patient with SCD showing several hypointense vessels that could be interpreted as veins (uNVVV = 0.014). The corresponding MIP TOF (b) of the mIP indicates that many of the hypointense vessels on the mIP SWI correlate with the hyperintense arterial signal from the TOF. A MIP of the corresponding artery mask was created by the 2D Frangi filter (c). The corrected mIP SWI (d) shows the effectiveness of arterial signal removal (cNVVV = 0.007).

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