Abstract
The aim of the current study is to investigate the variations of anatomical (LVRem%) and functional remnant volumes (fLVRem%) and the dynamic uptake of Technetium-Mebrofinate (FRLF) measured from 99m Technetium-Mebrofinate SPECT-CT scan (TMSCT) in patients at high risk of post-hepatectomy liver failure (PHLF). Variations in the measures of LVRem% and fLVRem% were assessed. The predictive accuracies of LVRem%, fLVRem% and FRLF with respect to PHLF were reported. From the N=92 scans performed, LVRem% and fLVRem% returned identical results in 15% of cases, and ±10 percentage points in 79% of cases. Some patients had larger discrepancies, with difference of >10 percentage points in 21% of cases. The difference was significant in those with primary liver cancers (-4.4±9.2, p=0.002). For the N=29 patients that underwent surgery as planned on TMSCT, FRLF was a strong predictor of PHLF, with an AUROC of 0.83 (p=0.005). TMSCT is emerging as a useful modality in pre-operative assessment of patients undergoing major liver resection. For those with primary liver cancer, there is a significant variation in the anatomical and functional distributions that needs considered in surgical planning. Reduced FRLF, measured as the dynamic uptake in the future liver remnant, is a strong predictor of PHLF.
Published Version
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