Hepatobiliary scintigraphy (HBS) is an emerging tool in the assessment of hepatic function. This nuclear imaging technique can be used to calculate both global and regional liver function. It has proven to be the most reliable way of assessing the distribution of liver function, especially in patients with impaired liver function due to, for example, cirrhosis or after chemotherapy. There are two types of tracers: Technetium-99m with a type of iminodiacetic acid and Technetium-99m galactosyl human serum albumin. The main indication for HBS is the assessment of the future liver remnant function in patients scheduled to undergo hemihepatectomy; to predict the risk of posthepatectomy liver failure. Another upcoming indication is the use of HBS in patients undergoing radioembolization.
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