BMC gastroenterology · 2020
Endoscopic severe mucosal atrophy indicates the presence of gastric cancer after Helicobacter pylori eradication -analysis based on the Kyoto classification.
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Ohno Akiko, Miyoshi Jun, Kato Atsushi, Miyamoto Naohiko, Yatagai Takahito, Hada Yu, Kusuhara Mitsunori, Jimbo Yoko, Ida Yosuke, Tokunaga Kengo, Okamoto Susumu, Hisamatsu Tadakazu
Аннотация
BACKGROUND: Gastric cancer after Helicobacter pylori (HP) eradication is a crucial clinical challenge today as HP eradication therapy is widely performed. Detecting gastric cancer after HP eradication tends to be difficult with normal white-light endoscopy. In the present study, we aimed to identify easily-evaluated endoscopic findings that indicate the presence of gastric cancer after HP eradication so that endoscopists can consider additional detailed examinations at the site.
METHODS: We analyzed the endoscopic images of 43 patients who underwent endoscopic submucosal dissection for early gastric cancer after HP eradication and 119 patients with an HP eradication history who underwent esophagogastroduodenoscopy for a medical checkup. Endoscopic findings were evaluated according to the Kyoto classification of gastritis (atrophy, intestinal metaplasia, enlarged folds, nodularity, and diffuse redness) and map-like redness.
RESULTS: Patients with gastric cancer had significantly higher total Kyoto risk scores; more atrophy, intestinal metaplasia, and diffuse redness; and a significantly higher prevalence of map-like redness compared with those without gastric cancer, in the univariate analyses. We used logistic regression analysis with forward selection based on the likelihood ratio to develop a model using atrophy and diffuse redness. Receiver operating characteristic analysis showed that a score of A2 in the Kyoto classification of gastritis (open-type atrophic pattern in the Kimura-Takemoto classification) was an endoscopic marker for the presence of post-HP-eradication gastric cancer.
CONCLUSIONS: Endoscopic severe gastric mucosal atrophy is useful to screen patients for gastric cancer after HP eradication.
METHODS: We analyzed the endoscopic images of 43 patients who underwent endoscopic submucosal dissection for early gastric cancer after HP eradication and 119 patients with an HP eradication history who underwent esophagogastroduodenoscopy for a medical checkup. Endoscopic findings were evaluated according to the Kyoto classification of gastritis (atrophy, intestinal metaplasia, enlarged folds, nodularity, and diffuse redness) and map-like redness.
RESULTS: Patients with gastric cancer had significantly higher total Kyoto risk scores; more atrophy, intestinal metaplasia, and diffuse redness; and a significantly higher prevalence of map-like redness compared with those without gastric cancer, in the univariate analyses. We used logistic regression analysis with forward selection based on the likelihood ratio to develop a model using atrophy and diffuse redness. Receiver operating characteristic analysis showed that a score of A2 in the Kyoto classification of gastritis (open-type atrophic pattern in the Kimura-Takemoto classification) was an endoscopic marker for the presence of post-HP-eradication gastric cancer.
CONCLUSIONS: Endoscopic severe gastric mucosal atrophy is useful to screen patients for gastric cancer after HP eradication.