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Chinese Journal of Digestion and Medical Imageology(Electronic Edition) ›› 2025, Vol. 15 ›› Issue (05): 486-491. doi: 10.3877/cma.j.issn.2095-2015.2025.05.012

• Original Article • Previous Articles    

Correlation and clinical predictive value of IL-6, GP73, and CK-18 fragments with the clinical characteristics of simple liver cysts

Liguan Liu, Yan Yan, Huiling Chen, Jinpiao Wu, Zhijie Huang, Tao Xu, Yongfei Li, Qiaoxia Ye()   

  1. Department of Infectious Diseases & Liver Disease Center, No.910 Hospital, Joint Service Support Forces of the Chinese People's Liberation Army, Quanzhou 362000, China
  • Online:2025-10-01 Published:2025-11-13
  • Contact: Qiaoxia Ye

Abstract:

Objective

To explore the correlation between interleukin 6 (IL-6), Golgi glycoprotein 73 (GP73), and cytokeratin 18 (CK-18) fragments and the clinical characteristics of simple hepatic cysts (SHC), and to analyze their predictive value for recurrence.

Methods

A retrospective analysis was conducted on the clinical data of 180 patients with SHC. The differences in IL-6, GP73, and CK18-M30 among SHC patients with different clinical characteristics were compared, and multivariate logistic regression analysis, multivariate Cox regression analysis, and receiver operating characteristic curve (ROC) analysis were conducted.

Results

There were statistically significant differences in IL-6, GP73, and CK18-M30 levels in the pre-treatment cystic fluid and peripheral blood among patients of different ages, hepatic cyst diameter, and disease severity (P<0.05). There were statistically significant differences in the severity of the disease and the levels of IL-6, GP73, and CK18-M30 in peripheral blood between those who were effective and those who were ineffective in SHC treatment (P<0.05). Multivariate logistic regression analysis showed that severe SHC and postoperative peripheral blood IL-6, GP73, and CK18-M30 levels were independent risk factors for ineffective treatment of SHC patients after percutaneous puncture and drainage sclerotherapy under ultrasound localization (P<0.05). There were statistically significant differences in the severity of disease, cyst diameter, and peripheral blood IL-6, GP73, and CK18-M30 levels after treatment between SHC relapse and non-relapse patients after treatment (P<0.05). Multivariate Cox regression analysis showed that large cysts (diameter≥10 cm) and postoperative peripheral blood IL-6, GP73, and CK18-M30 levels were independent risk factors for recurrence in SHC patients undergoing percutaneous puncture and drainage sclerotherapy under ultrasound localization (P<0.05). The ROC curve analysis showed that IL-6, GP73, and CK18-M30 in peripheral blood after treatment could predict the recurrence of SHC patients (P<0.05).

Conclusion

There are statistically significant differences in IL-6, GP73, and CK18-M30 levels in the cystic fluid of patients with different clinical characteristics of SHC. After treatment, peripheral blood IL-6, GP73, and CK18-M30 levels can predict patient recurrence.

Key words: Simple hepatic cyst, Inflammatory factors, Cytokeratin-18 fragment, Predictive value

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