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Review
. 2022 Jan 15;14(1):55-74.
doi: 10.4251/wjgo.v14.i1.55.

Effects of Helicobacter pylori infection in gastrointestinal tract malignant diseases: From the oral cavity to rectum

Yang-Che Kuo  1 , Lo-Yip Yu  2 , Horng-Yuan Wang  1 , Ming-Jen Chen  1 , Ming-Shiang Wu  3 , Chun-Jen Liu  4 , Ying-Chun Lin  5 , Shou-Chuan Shih  6 , Kuang-Chun Hu  7
Affiliations
Review

Effects of Helicobacter pylori infection in gastrointestinal tract malignant diseases: From the oral cavity to rectum

Yang-Che Kuo et al. World J Gastrointest Oncol. .

Abstract

Helicobacter pylori (H. pylori) has infected approximately fifty percent of humans for a long period of time. However, improvements in the public health environment have led to a decreased chance of H. pylori infection. However, a high infection rate is noted in populations with a high incidence rate of gastric cancer (GC). The worldwide fraction of GC attributable to H. pylori is greater than 85%, and a high H. pylori prevalence is noted in gastric mucosa-associated lymphoid tissue lymphoma patients. These results indicate that the majority of GC cases can be prevented if H. pylori infection is eliminated. Because H. pylori exhibits oral-oral or fecal-oral transmission, the relationship between this microorganism and other digestive tract malignant diseases has also attracted attention. This review article provides an overview of H. pylori and the condition of the whole gastrointestinal tract environment to further understand the correlation between the pathogen and the host, thus allowing improved realization of disease presentation.

Keywords: Gastrointestinal tract; Helicobacter pylori; Malignant disease.

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Conflict of interest statement

Conflict-of-interest statement: The authors deny any conflict of interest.

Figures

Figure 1
Figure 1
Estimated cumulative risk of incidence and mortality of gastroenterology tract malignancy disease in 2020, both sexes, ages 0-74 (reproduced from http://globocan.iarc.fr/).
See this image and copyright information in PMC

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