Abstract
This case involved a 75-year-old woman with obstructive jaundice who was diagnosed with hilar bile duct carcinoma. After endoscopic retrograde biliary drainage, the total bilirubin level was normalized. The indocyanine green test retention rate at 15min (ICGR15) was 26%. The liver uptake ratio (LHL15) by technetium-99m galactosyl human serum albumin ((99m)Tc-GSA) liver scintigraphy was 0.87. Left hepatectomy was scheduled by CT volumetry. However, biliary drainage was insufficient, and the functional liver volume showed functional deterioration of the left liver. After percutaneous transhepatic biliary drainage, future remnant liver volume by (99m)Tc-GSA liver scintigraphy changed to 52% from 42%, and ICGR15 and LHL15 were improved to 16% and 0.914, respectively. Scheduled left hepatectomy was performed following the results of functional liver volume. The measurement of functional volume by (99m)Tc-GSA liver scintigraphy provides useful information with respect to segmental liver function for deciding operative indications.
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