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European Radiology Experimental
Fig. 5 | European Radiology Experimental

Fig. 5

From: Computation of contrast-enhanced perfusion using only two CT scan phases: a proof-of-concept study on abdominal organs

Fig. 5

Relationship between peak arterial phase tissue enhancement (ΔHU) and organ perfusion (mL/s/mL) in the brain for different peak feeding vessel enhancements and α parameters. Due to the effect of the blood–brain barrier and to the lack of an interstitial phase, we have a very short tmax (approximately 9 s). The average perfusion value for the grey matter (indicated by the black vertical line) would be 0.72 mL/min/mL (range 0.64–0.84 mL/min/mL)

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