Indocyanine green plasma clearance rate and 99mTc-galactosyl human serum albumin single-photon emission computed tomography evaluated preoperative remnant liver

Figure 3 The new decision tree for hepatectomy in our institution. First, the anatomical volume remnant indocyanine green plasma clearance rate (a-rem-KICG) is calculated. If the a-rem-KICG is < 0.05, 99mTc galactosyl human serum albumin single-photon emission computed tomography is performed and functional volume remnant KICG (f-rem-KICG) calculated. Portal vein embolization and reassessment are performed if the a-rem-KICG and f-rem-KICG are both < 0.05. CT: Computed tomography; ICG: Indocyanine green; a-rem-KICG: Anatomical volume remnant indocyanine green plasma clearance rate; 99mTc-GSA SPECT: 99mTc galactosyl human serum albumin single-photon emission computed tomography; f-rem-KICG: Functional volume remnant indocyanine green plasma clearance rate; PVE: Portal vein embolization.