Adjusting contrast media dose to compensate for changes in kVp during portal phase liver CT – discussion

Author(s): Matthew Benbow

Hospital: Royal Bournemouth Hospital

Reference: RAD Magazine, 47, 550, 13-14


Appropriate contrast enhancement of organs in CT is key to promoting accurate diagnoses. With abdominal imaging it is particularly important to ensure the liver is appropriately enhanced as cancers may metastasise within it. As the vast majority of the hepatic blood supply comes from the portal vein, the portovenous (parenchymal) phase is often the most diagnostically useful due to the tissue being at its most homogenous, making anomalies easier to distinguish.

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