Helicobacter pylori-negative Gastric Cancer

Although Helicobacter pylori is considered the main etiological factor in gastric cancer, at least 5.4% of gastric cancer cases in South Korean patients are H. pylori-negative. However, false-negative H. pylori results should be considered. The definitions of H. pylori status in patients with atroph...

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Main Author: Jin Seok Jang
Format: Article
Language:English
Published: Yong Chan Lee 2017-09-01
Series:The Korean Journal of Helicobacter and Upper Gastrointestinal Research
Subjects:
Online Access:http://www.helicojournal.org/journal/view.html?doi=10.7704/kjhugr.2017.17.3.118
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author Jin Seok Jang
author_facet Jin Seok Jang
author_sort Jin Seok Jang
collection DOAJ
description Although Helicobacter pylori is considered the main etiological factor in gastric cancer, at least 5.4% of gastric cancer cases in South Korean patients are H. pylori-negative. However, false-negative H. pylori results should be considered. The definitions of H. pylori status in patients with atrophic gastritis but negative tests for H. pylori are variable. Inaccurate H. pylori detection systems can interfere with interpretation of the results. Even when H. pylori has been eradicated, gastric atrophy and intestinal metaplasia resulting from long-term colonization can occur. It is very difficult to determine whether patients with gastric cancer, who frequently have advanced gastric atrophy and intestinal metaplasia, have had previous H. pylori infection based on invasive tests. In addition, H. pylori-negative gastric cancers present with a more advanced pT classification and a more advanced stage than H. pylori-positive gastric cancers. Negative H. pylori status appears to be an indicator of poor prognosis in patients with gastric cancer, and is independent of other well-known clinical and pathologic prognostic variables.
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spelling doaj.art-9c04e51289c441f899e4ce1ebe1053c42022-12-22T02:46:32ZengYong Chan LeeThe Korean Journal of Helicobacter and Upper Gastrointestinal Research1738-33312017-09-0117311812110.7704/kjhugr.2017.17.3.118kjhugr.2017.17.3.118Helicobacter pylori-negative Gastric CancerJin Seok Jang0Department of Internal Medicine, Dong-A University College of Medicine, Busan, KoreaAlthough Helicobacter pylori is considered the main etiological factor in gastric cancer, at least 5.4% of gastric cancer cases in South Korean patients are H. pylori-negative. However, false-negative H. pylori results should be considered. The definitions of H. pylori status in patients with atrophic gastritis but negative tests for H. pylori are variable. Inaccurate H. pylori detection systems can interfere with interpretation of the results. Even when H. pylori has been eradicated, gastric atrophy and intestinal metaplasia resulting from long-term colonization can occur. It is very difficult to determine whether patients with gastric cancer, who frequently have advanced gastric atrophy and intestinal metaplasia, have had previous H. pylori infection based on invasive tests. In addition, H. pylori-negative gastric cancers present with a more advanced pT classification and a more advanced stage than H. pylori-positive gastric cancers. Negative H. pylori status appears to be an indicator of poor prognosis in patients with gastric cancer, and is independent of other well-known clinical and pathologic prognostic variables.http://www.helicojournal.org/journal/view.html?doi=10.7704/kjhugr.2017.17.3.118Gastric cancerHelicobacter pyloriNegativityPrognosis
spellingShingle Jin Seok Jang
Helicobacter pylori-negative Gastric Cancer
The Korean Journal of Helicobacter and Upper Gastrointestinal Research
Gastric cancer
Helicobacter pylori
Negativity
Prognosis
title Helicobacter pylori-negative Gastric Cancer
title_full Helicobacter pylori-negative Gastric Cancer
title_fullStr Helicobacter pylori-negative Gastric Cancer
title_full_unstemmed Helicobacter pylori-negative Gastric Cancer
title_short Helicobacter pylori-negative Gastric Cancer
title_sort helicobacter pylori negative gastric cancer
topic Gastric cancer
Helicobacter pylori
Negativity
Prognosis
url http://www.helicojournal.org/journal/view.html?doi=10.7704/kjhugr.2017.17.3.118
work_keys_str_mv AT jinseokjang helicobacterpylorinegativegastriccancer