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Chinese Journal of Clinicians(Electronic Edition) ›› 2024, Vol. 18 ›› Issue (09): 802-810. doi: 10.3877/cma.j.issn.1674-0785.2024.09.002

• Clinical Research • Previous Articles     Next Articles

Application of inflammatory markers in early-onset colorectal tumors

Zhan Wang1, Wenkun Li1, Yi Yang1, Fang Xu1, Minsi Zhou1, Jiayi Su1, Yadan Wang2, Jing Wu1,   

  1. 1.Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease,Beijing Digestive Disease Center, Beijing 100050, China
    2.Department of Gastroenterology, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
  • Received:2024-07-13 Online:2024-09-15 Published:2025-01-13
  • Contact: Jing Wu

Abstract:

Objective

To explore the value of blood inflammatory biomarkers in diagnosing earlyonset colorectal cancer (EOCRC) and predicting its adverse outcomes.

Methods

The baseline information,laboratory test results, and other clinical data of adult patients under 50 years old who were diagnosed with colorectal tumors (including colorectal cancer and benign colorectal tumors) and completed their treatment at Beijing Friendship Hospital Affiliated to Capital Medical University from January 2016 to December 2022 were collected. The clinical and pathological characteristics of patients with early-onset colorectal tumors were analyzed, and the differences in inflammatory indicators were compared between EOCRC patients and colorectal benign tumor patients under 50 years old.

Results

Patients with early-onset colorectal tumors tended to be male, overweight, and often asymptomatic, and the most commonly affected site was left colon.Multiple logistic regression analysis showed that after adjusting for confounding factors, compared with patients with colorectal benign tumors, systemic immune-inflammation index (SII) and C-reactive protein(CRP)-to-albumin ratio (CAR) were significantly increased in EOCRC patients (P<0.05). SII had the best diagnostic performance for EOCRC, with an area under the receiver operating characteristic (ROC) curve(AUC) of 0.751 (95% confidence interval [CI]: 0.685~0.817, P<0.001). When SII was 416.63, it had the best sensitivity (71.3%) and specificity (71.1%). EOCRC patients with distant metastasis had higher SII, CAR, and inflammatory burden index (IBI), and lower lymphocyte-to-CRP ratio (LCR); after adjusting for confounding factors, platelet-to-lymphocyte ratio (PLR) was significantly associated with distant metastasis of EOCRC(P<0.05). CAR had the best prediction effect (AUC=0.765, 95%CI: 0.683~0.846, P<0.001). When CAR was 0.077, its sensitivity and specificity for predicting distant metastasis of EOCRC were 76.5% and 69.1%,respectively.

Conclusion

This study confirms the ability of inflammatory index ratios represented by SII and CAR to diagnose EOCRC and predict its distant metastasis, and provides new prospective for future screening and early detection of EOCRC.

Key words: Early-onset colorectal cancer, Colorectal adenoma, Inflammatory markers

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