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Fig. 7A. —Relationship between intranodular blood flow and angiographic CT appearance in CT hepatic arteriography and CT during arterioportography. Hypo = hypoattenuation, iso = isoattenuation, hyper = hyperattenuation, A = initial point of decreased intranodular arterial blood flow, P = initial point of decreased intranodular portal blood flow. Line graph shows initial decrease and subsequent increase in cumulative intranodular arterial blood flow precedes decrease in intranodular portal blood flow.