Seiji Kawano

2025

Characteristics of Early Gastric Cancer in a Patient with a History of Helicobacter pylori Infection and No History of Eradication Therapy

Kuraoka, S., Kawano, S., Ino, S., Satomi, T., Hamada, K., Kono, Y., Iwamuro, M., Kawahara, Y., Tanaka, T., Okada, H. & ootsuka, M., 2025, In: Internal Medicine. 64, 3, p. 343-350 8 p.

研究成果 › 査読

Open Access

2024

Association of screening tool scores with overall survival in older patients with unresectable gastrointestinal or biliary pancreatic cancer: A retrospective study

Inoo, S., Kono, Y., Kanzaki, H., Horiguchi, S., Katou, H., Yamasaki, Y., Hirata, S., Kuraoka, S., Matsueda, K., Okanoue, S., Satomi, T., Hamada, K., Iwamuro, M., Kawano, S., Kawahara, Y., Okada, H. & Otsuka, M., 2024, (Accepted/In press) In: Journal of Geriatric Oncology. 101714.

研究成果 › 査読

Clinical significance of gastrointestinal bleeding history in patients who undergo left atrial appendage closure

Kikuchi, T., Kono, Y., Nakagawa, K., Okada, H., Miyamoto, M., Takaya, Y., Hirata, S., Inoo, S., Kuraoka, S., Okanoue, S., Matsueda, K., Satomi, T., Hamada, K., Iwamuro, M., Kawano, S. & Kawahara, Y., 1月 2024, In: JGH Open. 8, 1, e13009.

研究成果 › 査読

Open Access

1 被引用数 (Scopus)

Clinical Significance of Lymphatic Involvement in Intramucosal (pT1a) Gastric Cancer Resected by Endoscopic Submucosal Dissection

Matsueda, K., Kono, Y., Miyahara, K., Nakagawa, M., Mouri, H., Matsueda, K., Hamada, K., Iwamuro, M., Kawano, S., Kawahara, Y., Tanaka, T. & Otsuka, M., 2024, (Accepted/In press) In: Journal of Gastroenterology and Hepatology (Australia).

研究成果 › 査読

Clinical Significance of Prior Ramucirumab Use on the Effectiveness of Nivolumab as the Third-Line Regimen in Gastric Cancer: A Multicenter Retrospective Study

Obayashi, Y., Hirata, S., Kono, Y., Abe, M., Miyahara, K., Nakagawa, M., Ishida, M., Choda, Y., Hamada, K., Iwamuro, M., Kawano, S., Kawahara, Y. & ootsuka, M., 12月 2024, In: Drugs - Real World Outcomes. 11, 4, p. 557-564 8 p.

研究成果 › 査読

Open Access

Endoscopic and Histological Gastritis in University Students with Helicobacter pylori Infection

Okanoue, S., Sakae, H., Yokota, K., Tanaka, T., Obayashi, Y., Abe, M., Kono, Y., Kanzaki, H., Iwamuro, M., Kawano, S., Kawahara, Y., Yanai, H. & Okada, H., 2024, In: Internal Medicine. 63, 21, p. 2875-2884 10 p.

研究成果 › 査読

Open Access

1 被引用数 (Scopus)

Familial Case of Gastric Adenocarcinoma and Proximal Polyposis of the Stomach: A Long-Term Endoscopic Observation

Hirai, R., Kawano, S., Iwamuro, M., Tanaka, T. & Otsuka, M., 4月 2024, In: Annals of Internal Medicine Clinical Cases. 3, 4, e231431.

研究成果 › 査読

Open Access

1 被引用数 (Scopus)

Idiopathic Gastric Antral Ulcers

Iwamuro, M., Tanaka, T., Kawano, S., Kawahara, Y. & Otsuka, M., 2024, In: Internal Medicine. 63, 10, p. 1367-1371 5 p.

研究成果 › 査読

Open Access

Innovative submucosal injection solution for endoscopic resection with phosphorylated pullulan: a preclinical study

Satomi, T., Ochi, Y., Okihara, T., Fujii, H., Yoshida, Y., Mominoki, K., Ogawa, H., Toyosawa, J., Yamasaki, Y., Kawano, S., Kawahara, Y., Okada, H., ootsuka, M. & Matsukawa, A., 6月 2024, In: Gastrointestinal Endoscopy. 99, 6, p. 1039-1047.e1

研究成果 › 査読

Open Access

3 被引用数 (Scopus)

Inverted nonampullary duodenal adenocarcinoma treated with underwater EMR

Matsueda, K., Kawano, S. & Tanaka, T., 3月 2024, In: Gastrointestinal Endoscopy. 99, 3, p. 465-466 2 p.

研究成果 › 査読

Long-term outcomes of endoscopic resection of superficial esophageal squamous cell carcinoma in late-elderly patients

Matsueda, K., Kawano, S., Fukui, K., Hirata, S., Satomi, T., Inoo, S., Hamada, K., Kono, Y., Iwamuro, M., Kawahara, Y. & ootsuka, M., 12月 2024, In: Journal of Gastroenterology and Hepatology (Australia). 39, 12, p. 2664-2671 8 p.

研究成果 › 査読

Open Access

Nationwide multicenter study on adverse events associated with a patency capsule: Additional survey of appropriate use of patency capsule study

Omori, T., Ohmiya, N., Watanabe, K., Hirai, F., Nakamura, M., Kitamura, K., Ozeki, K., Oka, S., Kawano, S., Handa, O., Kawai, M., Ninomiya, K., Sagawa, T., Wakamatsu, T., Araki, A., Koike, Y., Kato, S., Hashimoto, S., Mannami, T. & Nakaji, K. & 26 others, Tanaka, S., Matsui, T., Abe, T., Bamba, S., Esaki, M., Hayashida, M., Hasegawa, D., Higaki, S., Hiramoto, T., Hodo, Y., Iwamoto, M., Kanayama, K., Katsurahara, M., Kojima, Y., Mizukami, K., Naganuma, M., Nagasaka, M., Nishiyama, R., Nouda, S., Osawa, S., Sameshima, Y., Shibatoge, M., Shiotani, A., Suga, T., Tokuhara, D. & Ueno, E., 2月 2024, In: Journal of Gastroenterology and Hepatology (Australia). 39, 2, p. 337-345 9 p.

研究成果 › 査読

6 被引用数 (Scopus)

Relevance of oxidative stress for small intestinal injuries induced by nonsteroidal anti-inflammatory drugs: A multicenter prospective study

Baba, Y., Kawano, S., Takaki, A., Kono, Y., Horii, J., Takahashi, S., Kawai, D., Kobayashi, S. & Okada, H., 12月 13 2024, In: Medicine (United States). 103, 50, p. e40849

研究成果 › 査読

Open Access

Short- and longer-term learning effects from virtual scale endoscopy videos: a useful tool for colorectal lesion size estimation (with videos)

Hirai, R., Kinugasa, H., Ishiguro, M., Toyosawa, J., Aoyama, Y., Igawa, S., Yamasaki, Y., Inokuchi, T., Takahara, M., Kawano, S., Hiraoka, S. & ootsuka, M., 2024, (Accepted/In press) In: Gastrointestinal Endoscopy.

研究成果 › 査読

Open Access

生体肺移植後 23 年で発症した移植後リンパ増殖性疾患により小腸穿孔をきたした 1 例

Kametaka, D., Iwamuro, M., Inoo, S., Kawano, S., Tanaka, T., Kawahara, Y. & ootsuka, M., 2024, In: Journal of Japanese Society of Gastroenterology. 121, 11, p. 896-903 8 p.

研究成果 › 査読

免疫関連有害事象による胃炎の 5 例

Iwamuro, M., Tanaka, T., Hirata, S., Kono, Y., Kawano, S., Kawahara, Y. & Otsuka, M., 2024, In: GASTROENTEROLOGICAL ENDOSCOPY. 66, 3, p. 266-272 7 p.

研究成果 › 査読

2023

Endoscopic features of gastric neuroendocrine carcinoma

Matsueda, K., Uedo, N., Kitamura, M., Shichijo, S., Maekawa, A., Kanesaka, T., Takeuchi, Y., Higashino, K., Ishihara, R., Michida, T., Kawano, S. & Kawahara, Y., 10月 2023, In: Journal of Gastroenterology and Hepatology (Australia). 38, 10, p. 1808-1817 10 p.

研究成果 › 査読

Open Access

8 被引用数 (Scopus)

Improved Object Detection Artificial Intelligence Using the Revised RetinaNet Model for the Automatic Detection of Ulcerations, Vascular Lesions, and Tumors in Wireless Capsule Endoscopy

Nakada, A., Niikura, R., Otani, K., Kurose, Y., Hayashi, Y., Kitamura, K., Nakanishi, H., Kawano, S., Honda, T., Hasatani, K., Sumiyoshi, T., Nishida, T., Yamada, A., Aoki, T., Harada, T., Kawai, T. & Fujishiro, M., 3月 2023, In: Biomedicines. 11, 3, 942.

研究成果 › 査読

Open Access

9 被引用数 (Scopus)

Optimal Bowel Preparation Method to Visualize the Distal Ileum via Small Bowel Capsule Endoscopy

Kametaka, D., Ito, M., Kawano, S., Ishiyama, S., Fujiwara, A., Nasu, J., Yoshioka, M., Shiode, J., Yamamoto, K., Iwamuro, M., Kawahara, Y., Okada, H. & Otsuka, M., 10月 2023, In: Diagnostics. 13, 20, 3269.

研究成果 › 査読

Open Access

3 被引用数 (Scopus)

Postoperative Bleeding Risk after Gastric Endoscopic Submucosal Dissection in Patients Receiving a P2Y12 Receptor Antagonist

Hirai, R., Kawano, S., Inoo, S., Kuraoka, S., Okanoue, S., Satomi, T., Hamada, K., Kono, Y., Kanzaki, H., Iwamuro, M., Kawahara, Y. & Okada, H., 5月 2023, In: Gut and liver. 17, 3, p. 404-411 8 p.

研究成果 › 査読

Open Access

3 被引用数 (Scopus)

Scattered Tiny Whitish Protrusions in the Stomach Are a Clue to the Diagnosis of Autoimmune Gastritis

Iwamuro, M., Tanaka, T., Hamada, K., Kono, Y., Kanzaki, H., Kawano, S., Kawahara, Y. & Okada, H., 2023, In: Acta medica Okayama. 77, 1, p. 75-80 6 p.

研究成果 › 査読

Successful use of dupilumab for egg-induced eosinophilic gastroenteritis with duodenal ulcer: a pediatric case report and review of literature

Tsuge, M., Shigehara, K., Uda, K., Kawano, S., Iwamuro, M., Saito, Y., Yashiro, M., Ikeda, M. & Tsukahara, H., 12月 2023, In: Allergy, Asthma and Clinical Immunology. 19, 1, 103.

研究成果 › 査読

Open Access

1 被引用数 (Scopus)

Usefulness of Intestinal Ultrasound to Detect Small Intestinal Stenosis in Patients With Crohn's Disease

Takeuchi, K., Inokuchi, T., Takahara, M., Ohmori, M., Yasutomi, E., Oka, S., Igawa, S., Takei, K., Baba, Y., Kawano, S., Yamasaki, Y., Kinugasa, H., Harada, K., Hiraoka, S. & Okada, H., 2月 2023, In: Journal of Ultrasound in Medicine. 42, 2, p. 373-383 11 p.

研究成果 › 査読

8 被引用数 (Scopus)

2022

A prospective multicenter study of the magnifying endoscopic evaluation of the invasion depth of superficial esophageal cancers

Gotoda, T., Hori, K., Nakagawa, M., Kobayashi, S., Toyokawa, T., Ishiyama, S., Imagawa, A., Abe, M., Kono, Y., Kanzaki, H., Iwamuro, M., Kawano, S., Kawahara, Y. & Okada, H., 5月 2022, In: Surgical Endoscopy. 36, 5, p. 3451-3459 9 p.

研究成果 › 査読

11 被引用数 (Scopus)

Characterization of Gastric Tissue-Resident T Cells in Autoimmune and Helicobacter pylori-Associated Gastritis

Kametaka, D., Iwamuro, M., Takahashi, T., Hirabata, A., Hamada, K., Kono, Y., Kanzaki, H., Kawano, S., Tanaka, T., Otsuka, F., Kawahara, Y. & Okada, H., 6月 2022, In: Current Issues in Molecular Biology. 44, 6

研究成果 › 査読

Open Access

7 被引用数 (Scopus)

Endoscopic findings of gastric neoplasms in familial adenomatous polyposis are associated with the phenotypic variations and grades of dysplasia

Kobashi, M., Iwamuro, M., Kuraoka, S., Inoo, S., Okanoue, S., Satomi, T., Hamada, K., Abe, M., Kono, Y., Kanzaki, H., Kawano, S., Tanaka, T., Kawahara, Y. & Okada, H., 10月 14 2022, In: Medicine (United States). 101, 41, e30997.

研究成果 › 査読

Open Access

4 被引用数 (Scopus)

Gastric Adenocarcinoma and Proximal Polyposis of the Stomach Occurring With Ball Valve Syndrome

Ako, S., Kawano, S. & Okada, H., 2月 2022, In: Clinical Gastroenterology and Hepatology. 20, 2, p. e12-e13

研究成果 › 査読

Open Access

8 被引用数 (Scopus)

Linked Color Imaging (LCI) Emphasizes the Color Changes in the Gastric Mucosa After Helicobacter pylori Eradication

Sakae, H., Kanzaki, H., Satomi, T., Okanoue, S., Obayashi, Y., Hamada, K., Abe, M., Kono, Y., Miura, K., Iwamuro, M., Kawano, S., Kawahara, Y., Tanaka, T., Yanai, H. & Okada, H., 6月 2022, In: Digestive Diseases and Sciences. 67, 6, p. 2375-2384 10 p.

研究成果 › 査読

10 被引用数 (Scopus)

Safety and efficacy of capsule endoscopy for patients with newly diagnosed Crohn's disease: A multicenter retrospective study

Kawano, S., Oka, S., Shiotani, A., Hashimoto, S., Takahashi, S., Handa, O., Takami, T., Inaba, T., Okada, H. & Tanaka, S., 12月 16 2022, In: Medicine (United States). 101, 50, e32424.

研究成果 › 査読

Open Access

1 被引用数 (Scopus)

Site-specific differences in T lymphocyte composition of the gastric mucosa after Helicobacter pylori eradication

Iwamuro, M., Takahashi, T., Watanabe, N., Abe, M., Sakae, H., Kono, Y., Kanzaki, H., Tanaka, T., Kawano, S., Otsuka, F., Kawahara, Y., Yanai, H. & Okada, H., 8月 26 2022, In: Medicine (United States). 101, 34, p. E30241

研究成果 › 査読

Open Access

2 被引用数 (Scopus)

Zinc Acetate Dihydrate Tablet-associated Gastric Lesions

Iwamuro, M., Tanaka, T., Kuraoka, S., Hamada, K., Abe, M., Kono, Y., Kanzaki, H., Kawano, S., Kawahara, Y. & Okada, H., 2022, In: Internal Medicine. 61, 13, p. 1931-1938 8 p.

研究成果 › 査読

Open Access

3 被引用数 (Scopus)

2021

Clinical and phenotypical characteristics of submucosal invasive carcinoma in non-ampullary duodenal cancer

Matsueda, K., Kanzaki, H., Takenaka, R., Nakagawa, M., Matsueda, K., Iwamuro, M., Kawano, S., Kawahara, Y., Toji, T., Tanaka, T., Yagi, T., Fujiwara, T. & Okada, H., 8月 2021, In: PloS one. 16, 8 August, e0256797.

研究成果 › 査読

Open Access

1 被引用数 (Scopus)

Clinical characteristics and course of sporadic non-ampullary duodenal adenomas: A multicenter retrospective study

Kanzaki, H., Matsueda, K., Nakagawa, M., Inaba, T., Takatani, M., Takenaka, R., Yoshioka, M., Imagawa, A., Inoue, M., Suzuki, S., Tomoda, J., Iwamuro, M., Kawano, S., Kawahara, Y., Tanaka, T. & Okada, H., 10月 1 2021, In: Medicine (United States). 100, 39, p. E27382

研究成果 › 査読

Open Access

3 被引用数 (Scopus)

Clinical characteristics of five patients with gastric emphysema

Iwamuro, M., Abe, M., Kono, Y., Kanzaki, H., Hori, K., Kawano, S., Kawahara, Y. & Okada, H., 9月 10 2021, In: Journal of Japanese Society of Gastroenterology. 118, 9, p. 851-858 8 p.

研究成果 › 査読

2 被引用数 (Scopus)

Efficacy and safety of endoscopic submucosal dissection for gastric tube cancer: A multicenter retrospective study

Satomi, T., Kawano, S., Inaba, T., Nakagawa, M., Mouri, H., Yoshioka, M., Tanaka, S., Toyokawa, T., Kobayashi, S., Tanaka, T., Kanzaki, H., Iwamuro, M., Kawahara, Y. & Okada, H., 3月 21 2021, In: World journal of gastroenterology. 27, 11, p. 1043-1054 12 p.

研究成果 › 査読

Open Access

5 被引用数 (Scopus)

Gastric Adenoma: A High Incidence Rate of Developing Carcinoma and Risk of Metachronous Gastric Cancer according to Long-Term Follow-Up

Okamoto, Y., Kanzaki, H., Tanaka, T., Sakae, H., Abe, M., Iwamuro, M., Kawano, S., Kawahara, Y. & Okada, H., 11月 1 2021, In: Digestion. 102, 6, p. 878-886 9 p.

研究成果 › 査読

7 被引用数 (Scopus)

Long-term outcomes of endoscopic versus surgical resection for MM-SM1 esophageal squamous cell carcinoma using propensity score analysis

Okayama Gut Study Group, 1月 2021, In: Esophagus. 18, 1, p. 72-80 9 p.

研究成果 › 査読

8 被引用数 (Scopus)

Risk factors for gastric cancer after the eradication of Helicobacter pylori evaluated based on the background gastric mucosa: A propensity score-matched case-control study

Obayashi, Y., Kawano, S., Sakae, H., Abe, M., Kono, Y., Kanzaki, H., Iwamuro, M., Kawahara, Y., Tanaka, T., Yanai, H. & Okada, H., 2021, In: Internal Medicine. 60, 7, p. 969-976 8 p.

研究成果 › 査読

Open Access

10 被引用数 (Scopus)

Scoring systems for differentiating gastrointestinal stromal tumors and schwannomas from leiomyomas in the stomach

Okanoue, S., Iwamuro, M., Tanaka, T., Satomi, T., Hamada, K., Sakae, H., Abe, M., Kono, Y., Kanzaki, H., Kawano, S., Kawahara, Y. & Okada, H., 10月 8 2021, In: Medicine (United States). 100, 40, p. E27520

研究成果 › 査読

Open Access

8 被引用数 (Scopus)

Squamous metaplasia of the stomach associated with lymphoma infiltration

Iwamuro, M., Fujii, N., Tanaka, T., Kanzaki, H., Kawano, S., Kawahara, Y. & Okada, H., 2021, In: Internal Medicine. 60, 14, p. 2229-2234 6 p.

研究成果 › 査読

Open Access

1 被引用数 (Scopus)

2020

Clinical characteristics and risk factors for rebleeding in patients with obscure gastrointestinal bleeding

Baba, Y., Kawano, S., Kono, Y., Inokuchi, T., Kanzaki, H., Iwamuro, M., Harada, K., Hiraoka, S., Kawahara, Y. & Okada, H., 2020, In: Internal Medicine. 59, 11, p. 1345-1350 6 p.

研究成果 › 査読

Open Access

11 被引用数 (Scopus)

Efficacy and safety of scheduled early endoscopic ultrasonography-guided ethanol reinjection for patients with pancreatic neuroendocrine tumors: Prospective pilot study

Matsumoto, K., Kato, H., Kawano, S., Fujiwara, H., Nishida, K., Harada, R., Fujii, M., Yoshida, R., Umeda, Y., Hinotsu, S., Yagi, T. & Okada, H., 3月 1 2020, In: Digestive Endoscopy. 32, 3, p. 425-430 6 p.

研究成果 › 査読

24 被引用数 (Scopus)

Evaluation of the Usefulness and Convenience of the Kyoto Classification of Gastritis in the Endoscopic Diagnosis of the Helicobacter pylori Infection Status

Sakae, H., Iwamuro, M., Okamoto, Y., Obayashi, Y., Baba, Y., Hamada, K., Gotoda, T., Abe, M., Kono, Y., Kanzaki, H., Kawano, S., Kawahara, Y., Tanaka, T., Yanai, H. & Okada, H., 11月 2020, In: Digestion. 101, 6, p. 771-778 8 p.

研究成果 › 査読

15 被引用数 (Scopus)

Factors predicting a favorable disease course without anti-TNF therapy in crohn's disease patients

Inokuchi, T., Hiraoka, S., Yasutomi, E., Oka, S., Yamasaki, Y., Kinugasa, H., Takahara, M., Kawano, S., Harada, K., Okada, H. & Kato, J., 2020, In: Acta medica Okayama. 74, 4, p. 265-274 10 p.

研究成果 › 査読

2 被引用数 (Scopus)

IgA vasculitis with massive hemorrhage from the jejunum after steroid administration

Yamauchi, N., Iwamuro, M., Kawano, S., Yamazaki, T., Baba, Y., Tsumura, T., Hara, Y., Kataoka, J., Toyokawa, T. & Okada, H., 2020, In: Journal of Japanese Society of Gastroenterology. 117, 1, p. 64-71 8 p.

研究成果 › 査読

Pattern of gastric lanthanum deposition based on the presence or absence of mucosal atrophy

Iwamuro, M., Kanzaki, H., Kawano, S., Kawahara, Y., Tanaka, T. & Okada, H., 6月 2020, In: GASTROENTEROLOGICAL ENDOSCOPY. 62, 6, p. 684-690 7 p.

研究成果 › 査読

川野 誠司

研究成果

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川野誠司