Evidence map›Paper›PMID 40487956›Full record

ArticleWorld journal of gastrointestinal oncology2025

Computed tomography-based deep learning radiomics model for preoperative prediction of tumor immune microenvironment in colorectal cancer.

Chuan Zhou, Yun-Feng Zhang, Zhi-Jun Yang, Yu-Qian Huang, Ming-Xu Da

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Article in World journal of gastrointestinal oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

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3citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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3 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Chuan ZhouThe First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou 730000, Gansu Province, China.
Yun-Feng ZhangThe First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou 730000, Gansu Province, China.
Zhi-Jun YangThe First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou 730000, Gansu Province, China.
Yu-Qian HuangCenter of Medical Cosmetology, Chengdu Second People's Hospital, Chengdu 610017, Sichuan Province, China.
Ming-Xu DaThe First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou 730000, Gansu Province, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundColorectal cancer (CRC) is a leading cause of cancer-related death globally, with the tumor immune microenvironment (TIME) influencing prognosis and immunotherapy response. Current TIME evaluation relies on invasive biopsies, limiting its clinical application. This study hypothesized that computed tomography (CT)-based deep learning (DL) radiomics models can non-invasively predict key TIME biomarkers: Tumor-stroma ratio (TSR), tumor-infiltrating lymphocytes (TILs), and immune score (IS).

aimTo develop a non-invasive DL approach using preoperative CT radiomics to evaluate TIME components in CRC patients.

methodsIn this retrospective study, preoperative CT images of 315 pathologically confirmed CRC patients (220 in training cohort and 95 in validation cohort) were analyzed. Manually delineated regions of interest were used to extract DL features. Predictive models (DenseNet-121/169) for TSR, TILs, IS, and TIME classification were constructed. Performance was evaluated

resultsThe DL-DenseNet-169 model achieved area under the curve (AUC) values of 0.892 [95% confidence interval (CI): 0.828-0.957] for TSR and 0.772 (95%CI: 0.674-0.870) for TIME score. The DenseNet-121 model yielded AUC values of 0.851 (95%CI: 0.768-0.933) for TILs and 0.852 (95%CI: 0.775-0.928) for IS. Calibration curves demonstrated strong prediction-observation agreement, and DCA confirmed clinical utility across threshold probabilities (

conclusionCT-based DL radiomics provides a reliable non-invasive method for preoperative TIME evaluation, enabling personalized immunotherapy strategies in CRC management.

Indexed as

Colorectal cancerComputed tomography imagingDeep learningRadiomicsTumor immune microenvironment

Identifiers

PMID40487956
PMCPMC12142253

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