Deep learning predicts postsurgical recurrence of hepatocellular carcinoma from digital histopathologic images.

Abstract:

:Recurrence risk stratification of patients undergoing primary surgical resection for hepatocellular carcinoma (HCC) is an area of active investigation, and several staging systems have been proposed to optimize treatment strategies. However, as many as 70% of patients still experience tumor recurrence at 5 years post-surgery. We developed and validated a deep learning-based system (HCC-SurvNet) that provides risk scores for disease recurrence after primary resection, directly from hematoxylin and eosin-stained digital whole-slide images of formalin-fixed, paraffin embedded liver resections. Our model achieved concordance indices of 0.724 and 0.683 on the internal and external test cohorts, respectively, exceeding the performance of the standard Tumor-Node-Metastasis classification system. The model's risk score stratified patients into low- and high-risk subgroups with statistically significant differences in their survival distributions, and was an independent risk factor for post-surgical recurrence in both test cohorts. Our results suggest that deep learning-based models can provide recurrence risk scores which may augment current patient stratification methods and help refine the clinical management of patients undergoing primary surgical resection for HCC.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Yamashita R,Long J,Saleem A,Rubin DL,Shen J

doi

10.1038/s41598-021-81506-y

subject

Has Abstract

pub_date

2021-01-21 00:00:00

pages

2047

issue

1

issn

2045-2322

pii

10.1038/s41598-021-81506-y

journal_volume

11

pub_type

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