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Yamasaki Y, Uedo N, Kanzaki H, Kato M, Hamada K, Aoi K, Tonai Y, Matsuura N, Kanesaka T, Yamashina T, Akasaka T, Hanaoka N, Takeuchi Y, Higashino K, Ishihara R, Tomita Y, Iishi H. Investigation of mucosal pattern of gastric antrum using magnifying narrow-band imaging in patients with chronic atrophic fundic gastritis. Ann Gastroenterol 2017; 30:302-308. [PMID: 28469360 PMCID: PMC5411380 DOI: 10.20524/aog.2017.0134] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 02/19/2017] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Magnifying narrow-band imaging (M-NBI) can reportedly help predict the presence and distribution of atrophy and intestinal metaplasia in the gastric corpus. However, the micro-mucosal pattern of the antrum shown by M-NBI differs from that of the corpus. We studied the distribution and histology of the micro-mucosal pattern in the antrum based on magnifying endoscopy. METHODS Endoscopic images of the greater curvature of the antrum were evaluated in 50 patients with chronic atrophic fundic gastritis (CAFG). The extent of CAFG was evaluated by autofluorescence imaging. The micro-mucosal pattern was evaluated by M-NBI and classified into groove and white villiform types. The localization of white villiform type mucosa was classified into three types in relation to the areae gastricae: null, central, and segmental types. Biopsies were taken from regions showing different micro-mucosal patterns. Associations among the extent of CAFG, micro-mucosal pattern, and histology were examined. RESULTS As the extent of CAFG increased, the proportion of white villiform type mucosa increased, whereas that of groove type mucosa decreased (P=0.022). In patients with extensive CAFG, most of the areae gastricae was composed of the segmental or central type of white villiform type mucosa (P=0.044). The white villiform type mucosa had significantly higher grades of atrophy (P=0.002) and intestinal metaplasia (P<0.001) than did the groove type mucosa. CONCLUSION White villiform type mucosa is indicative of atrophy and intestinal metaplasia in the gastric antrum. It extends to the whole or central part of the areae gastricae as CAFG becomes more extensive.
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Affiliation(s)
- Yasushi Yamasaki
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama (Yasushi Yamasaki, Hiromitsu Kanzaki)
| | - Noriya Uedo
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Hiromitsu Kanzaki
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
- Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama (Yasushi Yamasaki, Hiromitsu Kanzaki)
| | - Minoru Kato
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Kenta Hamada
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Kenji Aoi
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Yusuke Tonai
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Noriko Matsuura
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Takashi Kanesaka
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Takeshi Yamashina
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Tomofumi Akasaka
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Noboru Hanaoka
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Yoji Takeuchi
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Koji Higashino
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Ryu Ishihara
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
| | - Yasuhiko Tomita
- Department of Pathology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasuhiko Tomita), Japan
| | - Hiroyasu Iishi
- Department of Gastrointestinal Oncology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka (Yasushi Yamasaki, Noriya Uedo, Hiromitsu Kanzaki, Minoru Kato, Kenta Hamada, Kenji Aoi, Yusuke Tonai, Noriko Matsuura, Takashi Kanesaka, Takeshi Yamashina, Tomofumi Akasaka, Noboru Hanaoka, Yoji Takeuchi, Koji Higashino, Ryu Ishihara, Hiroyasu Iishi)
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