Whole-Brain Perfusion Imaging With 320-MDCT Scanner: Reducing Radiation Dose by Increasing Sampling Interval
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OBJECTIVE: The purpose of this study was to investigate whether perfusion CT values obtained with a reduced-dose imaging protocol on a 320-MDCT scanner are similar to those obtained with a standard protocol. CONCLUSION: Similar perfusion values at one-half the radiation dose can be obtained with the alternative algorithm used in this study.
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