Pathogenesis and prognosis of tumor-induced acute pancreatitis: An analysis of 84 cases

Linlin ZHENG; Hui HE; Xiaohua KONG; Yunhui ZHOU; Ningning LIU; Lin ZHOU

doi:10.3969/j.issn.1001-5256.2022.08.027

Volume 38 Issue 8

Aug. 2022

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Article Navigation > Journal of Clinical Hepatology > 2022 > 38(8): 1865-1871

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Pathogenesis and prognosis of tumor-induced acute pancreatitis: An analysis of 84 cases

DOI: 10.3969/j.issn.1001-5256.2022.08.027

1.
Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
2.
Henan Medical College, Zhengzhou 451191, China

Research funding:

National Natural Science Foundation of China (81001103);

Young and Middle-aged Health Science and Technology Innovation Leading Talents Training Project of Henan Province (YXKC2021017)

More Information

Corresponding author: ZHOU Lin, ZL372@126.com(ORCID: 0000-0001-5778-4844)
Received Date: 2021-12-30
Accepted Date: 2022-02-16
Published Date: 2022-08-20

Abstract

Abstract

Objective To investigate the association of biliary, pancreatic, and ampullary tumors with the onset of acute pancreatitis (AP) and the clinical features of tumor-induced AP by retrospectively analyzing the clinical data of patients with tumor-induced AP. Methods Related clinical data were collected from the patients with AP who were admitted to The First Affiliated Hospital of Zhengzhou University from January 2013 to August 2021. The etiological composition of AP was analyzed, as well as the change in the incidence rate of tumor-induced AP; the clinical features of AP were compared between tumor-induced and non-tumor-induced AP and between the tumors at different locations to explore the pathogenesis of tumor-induced AP. For normally distributed continuous data, the t-test was used for comparison between two groups; a one-way analysis of variance was used for comparison between multiple groups, and the SNK-q test was used for further comparison between two groups. For non-normally distributed continuous data, the Mann-Whitney U test was used for comparison between two groups; the Kruskal-Wallis H test was used for comparison between multiple groups, and the Wilcoxon rank-sum test was used for further comparison between two groups. The chi-square test or the Fisher's exact test was used for comparison of dichotomous categorical data between groups, and the goodness-of-fit test was used for comparison of polytomous categorical data between groups. The receiver operating characteristic (ROC) curve was used to evaluate the differential factors for pancreatic tumor-induced AP, and a multivariate logistic regression analysis was used to investigate the independent predictive factors for tumor-induced AP. Results A total of 8106 patients with AP were enrolled, among whom 84 patients (1.04%) had tumor-induced AP (tumor group). The tumor group had a significantly higher mean age than the non-tumor group (t=6.050, P < 0.001). The mean time from initial onset of AP to tumor diagnosis was 7.38 months. Among the 84 patients with tumor-induced AP, 75 (89.2%) had mild AP (MAP), 8 (9.5%) had moderate severe AP, and 1(1.2%) had severe AP; as for the origin of tumor, 11(13.1%) had tumor originating from the lower biliary tract, 13(15.5%) had tumor originating from the ampulla, and 60(71.4%) had tumor originating from the pancreas. Recurrence of AP (risk ratio [RR]=8.362, 95% confidence interval [CI]: 3.162-22.115, P < 0.001), pancreatic duct dilatation (RR=10.996, 95%CI: 3.871-31.236, P < 0.001), bile duct dilatation (RR=7.738, 95%CI: 2.521-23.752, P < 0.001), and leukocyte count (RR=0.766, 95%CI: 0.666-0.881, P < 0.001) were independent predictive factors for tumor-induced AP. Conclusion Tumor-induced AP is common in middle-aged and elderly men, with the clinical manifestations of MAP, easy recurrence, pancreatic duct dilatation/bile duct dilatation, and a persistent increase in the tumor marker CA19-9. Imaging examination of the biliary, pancreatic, and ampullary regions should be enhanced for AP with the above characteristics and no apparent trigger, and follow-up should be strengthened to avoid the missed diagnosis of tumor and the influence on prognosis.
- Pancreatitis, Acute Necrotizing,
- Pathological Conditions, Signs and Symptoms,
- Digestive System Neoplasms

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References

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Pathogenesis and prognosis of tumor-induced acute pancreatitis: An analysis of 84 cases

DOI: 10.3969/j.issn.1001-5256.2022.08.027

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