Hepatocellular carcinoma: CT texture analysis as a predictor of survival after surgical resection

European Radiology
Lucie Brenet DefourGérard Thiefin

Abstract

To determine whether image texture parameters analysed on pre-operative contrast-enhanced computed tomography (CT) can predict overall survival and recurrence-free survival in patients with hepatocellular carcinoma (HCC) treated by surgical resection. We retrospectively included all patients operated for HCC who had liver contrast-enhanced CT within 3 months prior to treatment in our centre between 2010 and 2015. The following texture parameters were evaluated on late-arterial and portal-venous phases: mean grey-level, standard deviation, kurtosis, skewness and entropy. Measurements were made before and after spatial filtration at different anatomical scales (SSF) ranging from 2 (fine texture) to 6 (coarse texture). Lasso penalised Cox regression analyses were performed to identify independent predictors of overall survival and recurrence-free survival. Forty-seven patients were included. Median follow-up time was 345 days (interquartile range [IQR], 176-569). Nineteen patients had a recurrence at a median time of 190 days (IQR, 141-274) and 13 died at a median time of 274 days (IQR, 96-411). At arterial CT phase, kurtosis at SSF = 4 (hazard ratio [95% confidence interval] = 3.23 [1.35-7.71] p = 0.0084) was independent predicto...Continue Reading

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Citations

Sep 24, 2020·Cancer Imaging : the Official Publication of the International Cancer Imaging Society·Ismail Bilal MasokanoWenzheng Li
May 16, 2019·Cancer Imaging : the Official Publication of the International Cancer Imaging Society·Zhen ZhangBin Song
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