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Background <p>Chronic infection with <i>Clonorchis sinensis</i> (<i>C.sinensis</i>) has been associated swith the development of intrahepatic cholangiocarcinoma (ICC); however, the relationship between <i>C.sinensis</i> and hepatocellular carcinoma (HCC) remains uncertain.</p> Methods <p>This study examined 120 patients with liver cancer in the clonorchiasis endemic area of Hengzhou, Guangxi, China. The type of cancer, the differentiation grade according to Edmondson Steiner’s classification, and the pathological characteristics of HCC were determined through postoperative tissue biopsy. <i>C.sinensis</i> infection was detected by measuring serum specific IgG antibody, and hepatitis B virus (HBV) infection was determined by detecting serum HBsAg and HBV DNA in HCC tissues. The <i>C.sinensis</i> infection rates in control groups were drawn from the local general population based on previous surveys. The association between <i>C.sinensis</i> infection and HCC was analyzed by comparing the differences in <i>C.sinensis</i> infection rates between the two groups.</p> Results <p>Of the patients evaluated, 98 (81.7%) had HCC, 21 (17.5%) had ICC, and 1 (0.8%) had comorbidity of HCC/ICC. Among the HCC patients, 24 (24.5%) were solely infected with HBV, 71 (72.4%) were <i>C. sinensis</i> seropositive, and 3 (3.1%) showed no evidence of infection. <i>C. sinensis</i> seropositive rates in HCC patients are much higher than in general outpatient and non-liver cancer inpatients (<i>χ</i><sup>2</sup> = 141.92, <i>p</i> &lt; 0.001), as well as in the local residents (<i>χ</i><sup>2</sup> = 82.61/21.38, <i>p</i> &lt; 0.001). There were no significant differences in the pathological type, differentiation grade, and lesion composition between the tumor associated with <i>C.sinensis</i>/HBV mono- and co-infection (<i>p</i> &gt; 0.05). Among the patients with <i>C.sinensis</i>-related HCC, 8 (8.2%) were solely <i>C.sinensis</i> seropositive, while 63 (64.3%) were co-infected with HBV. Infection with <i>C. sinensis</i> and HBV has a significant impact on the pathological types of liver cancer (<i>χ</i><sup>2</sup> = 22.86, <i>p</i> &lt; 0.001).</p> Conclusions <p>These findings indicate that HCC still accounts for the majority of liver cancer in this region. In addition to being most commonly related with HBV infection, HCC may also be related to <i>C. sinensis</i> infection. Co-infection of <i>C. sinensis</i> and HBV may enhance the development of HCC in this area.</p> Clinical trial <p>Not applicable.</p>

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The association between Clonorchis sinensis seropositivity and hepatocellular carcinoma in an endemic area: a study in Guangxi, China

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  • 发表日期：

    2025年2月25日

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  • Qing-Li Yang,
  • Xi-Wei Lu,
  • Zhong-Liao Fang,
  • Yu-Qiu Gao,
  • Yi-Ning He,
  • Yan Huang,
  • Yue Dai,
  • Ming-Yong Liang,
  • Carlos H. F. Chan,
  • Zhi-Hua Jiang

摘要

Background

Chronic infection with Clonorchis sinensis (C.sinensis) has been associated swith the development of intrahepatic cholangiocarcinoma (ICC); however, the relationship between C.sinensis and hepatocellular carcinoma (HCC) remains uncertain.

Methods

This study examined 120 patients with liver cancer in the clonorchiasis endemic area of Hengzhou, Guangxi, China. The type of cancer, the differentiation grade according to Edmondson Steiner’s classification, and the pathological characteristics of HCC were determined through postoperative tissue biopsy. C.sinensis infection was detected by measuring serum specific IgG antibody, and hepatitis B virus (HBV) infection was determined by detecting serum HBsAg and HBV DNA in HCC tissues. The C.sinensis infection rates in control groups were drawn from the local general population based on previous surveys. The association between C.sinensis infection and HCC was analyzed by comparing the differences in C.sinensis infection rates between the two groups.

Results

Of the patients evaluated, 98 (81.7%) had HCC, 21 (17.5%) had ICC, and 1 (0.8%) had comorbidity of HCC/ICC. Among the HCC patients, 24 (24.5%) were solely infected with HBV, 71 (72.4%) were C. sinensis seropositive, and 3 (3.1%) showed no evidence of infection. C. sinensis seropositive rates in HCC patients are much higher than in general outpatient and non-liver cancer inpatients (χ2 = 141.92, p < 0.001), as well as in the local residents (χ2 = 82.61/21.38, p < 0.001). There were no significant differences in the pathological type, differentiation grade, and lesion composition between the tumor associated with C.sinensis/HBV mono- and co-infection (p > 0.05). Among the patients with C.sinensis-related HCC, 8 (8.2%) were solely C.sinensis seropositive, while 63 (64.3%) were co-infected with HBV. Infection with C. sinensis and HBV has a significant impact on the pathological types of liver cancer (χ2 = 22.86, p < 0.001).

Conclusions

These findings indicate that HCC still accounts for the majority of liver cancer in this region. In addition to being most commonly related with HBV infection, HCC may also be related to C. sinensis infection. Co-infection of C. sinensis and HBV may enhance the development of HCC in this area.

Clinical trial

Not applicable.