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Author Kuraoka, Sakiko| Kawano, Seiji| Ino, Shoko| Satomi, Takuya| Hamada, Kenta| Kono, Yoshiyasu| Iwamuro, Masaya| Kawahara, Yoshiro| Tanaka, Takehiro| Okada, Hiroyuki| Otsuka, Motoyuki|
Keywords autoimmune gastritis eradication gastric cancer Helicobacter pylori
Published Date 2025-02-01
Publication Title Internal Medicine
Volume volume64
Issue issue3
Publisher Japanese Society of Internal Medicine
Start Page 343
End Page 350
ISSN 0918-2918
NCID AA10827774
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders Ⓒ 2025 The Japanese Society of Internal Medicine
File Version publisher
PubMed ID 38960692
DOI 10.2169/internalmedicine.3617-24
Web of Science KeyUT 001470394600003
Related Url isVersionOf https://doi.org/10.2169/internalmedicine.3617-24
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Author Honda, Manami| Iwamuro, Masaya| Tanaka, Takehiro| Yamasaki, Yasushi| Kawano, Seiji| Hiraoka, Sakiko| Kawahara, Yoshiro| Otsuka, Motoyuki|
Keywords colonoscopy esophagogastroduodenoscopy gastrointestinal neoplasms gastrointestinal stromal tumor neurofibromatosis
Published Date 2025-04-16
Publication Title JGH Open
Volume volume9
Issue issue4
Publisher Wiley
Start Page e70151
ISSN 2397-9070
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2025 The Author(s).
File Version publisher
PubMed ID 40247846
DOI 10.1002/jgh3.70151
Web of Science KeyUT 001468535400001
Related Url isVersionOf https://doi.org/10.1002/jgh3.70151
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Author Iwamuro, Masaya| Okada, Hiroyuki| Otsuka, Motoyuki|
Keywords esophagogastroduodenoscopy gastric lesions gastrointestinal stromal tumor subepithelial lesion submucosal tumor
Published Date 2025-02-07
Publication Title Journal of Clinical Medicine
Volume volume14
Issue issue4
Publisher MDPI
Start Page 1055
ISSN 2077-0383
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2025 by the authors.
File Version publisher
PubMed ID 40004584
DOI 10.3390/jcm14041055
Web of Science KeyUT 001430791000001
Related Url isVersionOf https://doi.org/10.3390/jcm14041055
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Author Okanoue, Shotaro| Sakae, Hiroyuki| Yokota, Kenji| Tanaka, Takehiro| Obayashi, Yuka| Abe, Makoto| Kono, Yoshiyasu| Kanzaki, Hiromitsu| Iwamuro, Masaya| Kawano, Seiji| Kawahara, Yoshiro| Yanai, Hiroyuki| Okada, Hiroyuki|
Keywords atrophic gastritis gastric cancer Helicobacter pylori young adults eradication
Published Date 2024-11-01
Publication Title Internal Medicine
Volume volume63
Issue issue21
Publisher Japanese Society of Internal Medicine
Start Page 2875
End Page 2884
ISSN 0918-2918
NCID AA10827774
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders Ⓒ 2024 The Japanese Society of Internal Medicine
File Version publisher
PubMed ID 38432971
DOI 10.2169/internalmedicine.1851-23
Web of Science KeyUT 001361033600001
Related Url isVersionOf https://doi.org/10.2169/internalmedicine.1851-23
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Author Kanzaki, Hiromitsu| Kawahara, Yoshiro| Satomi, Takuya| Okanoue, Shotaro| Hamada, Kenta| Kono, Yoshiyasu| Iwamuro, Masaya| Kawano, Seiji| Okada, Hiroyuki|
Published Date 2022-11-29
Publication Title Endoscopy International Open
Volume volume11
Issue issue01
Publisher Georg Thieme Verlag KG
Start Page E90
End Page E96
ISSN 2364-3722
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022. The Author(s).
File Version publisher
PubMed ID 36686031
DOI 10.1055/a-1989-6643
Web of Science KeyUT 000920677700005
Related Url isVersionOf https://doi.org/10.1055/a-1989-6643
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Author Abe, Makoto| Kawahara, Yoshiro| Obayashi, Yuka| Baba, Yuki| Hamada, Kenta| Sakae, Hiroyuki| Kono, Yoshiyasu| Kanzaki, Hiromitu| Iwamuro, Masaya| Kawano, Seiji| Makino, Takuma| Noda, Yohei| Marunaka, Hidenori| Okada, Hiroyuki|
Published Date 2023-02-13
Publication Title Endoscopy International Open
Volume volume11
Issue issue04
Publisher Georg Thieme Verlag KG
Start Page E351
End Page E357
ISSN 2364-3722
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2023. The Author(s).
File Version publisher
PubMed ID 37077660
DOI 10.1055/a-2033-9707
Web of Science KeyUT 000974137100003
Related Url isVersionOf https://doi.org/10.1055/a-2033-9707
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Author Obayashi, Yuka| Hirata, Shoichiro| Kono, Yoshiyasu| Abe, Makoto| Miyahara, Koji| Nakagawa, Masahiro| Ishida, Michihiro| Choda, Yasuhiro| Hamada, Kenta| Iwamuro, Masaya| Kawano, Seiji| Kawahara, Yoshiro| Otsuka, Motoyuki|
Note The version of record of this article, first published in Drugs - Real World Outcomes, is available online at Publisher’s website: http://dx.doi.org/10.1007/s40801-024-00460-z|
Published Date 2024-10-19
Publication Title Drugs - Real World Outcomes
Volume volume11
Issue issue4
Publisher Springer Nature
Start Page 557
End Page 564
ISSN 2199-1154
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2024
File Version publisher
PubMed ID 39425893
DOI 10.1007/s40801-024-00460-z
Web of Science KeyUT 001337505400001
Related Url isVersionOf https://doi.org/10.1007/s40801-024-00460-z
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Author Hirata, Shoichiro| Hamada, Kenta| Iwamuro, Masaya| Mouri, Hirokazu| Miyahara, Koji| Tsuzuki, Takao| Yamauchi, Kenji| Kobayashi, Sayo| Takahashi, Sakuma| Takenaka, Ryuta| Hori, Shinichiro| Inoue, Masafumi| Toyokawa, Tatsuya| Nishimura, Mamoru| Ishiyama, Shuhei| Miyaike, Jiro| Kato, Ryo| Matsubara, Minoru| Yunoki, Naoko| Kanzaki, Hiromitsu| Kawahara, Yoshiro| Okada, Hiroyuki| Ishikawa, Hideki| Otsuka, Motoyuki| Okayama Gut Study Group|
Keywords direct oral anticoagulants endoscopic submucosal dissection gastric cancer postprocedural bleeding warfarin
Published Date 2024-10-03
Publication Title Journal of Gastroenterology and Hepatology
Volume volume39
Issue issue12
Publisher Wiley
Start Page 2760
End Page 2766
ISSN 0815-9319
NCID AA10727383
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2024 The Author(s).
File Version publisher
PubMed ID 39363400
DOI 10.1111/jgh.16757
Web of Science KeyUT 001328472100001
Related Url isVersionOf https://doi.org/10.1111/jgh.16757
Title Alternative A case of immune checkpoint inhibitor-associated colitis treated with infliximab
Author Iwamuro, Masaya| Hiraoka, Sakiko| Otsuka, Motoyuki|
Abstract  A 52-year-old Japanese man diagnosed with non-small cell lung cancer initiated chemotherapy with tremelimumab, durvalumab, nanoparticle albumin-bound paclitaxel, and carboplatin. On the fourth day of the first treatment course, he developed a fever, followed by watery diarrhea exceeding 10 episodes per day and bloody stools the next day. Immunotherapy-related adverse event colitis was diagnosed through CT scans and colonoscopy examinations. Despite the ineffectiveness of systemic steroid administration, prompt alleviation of symptoms was achieved through the administration of infliximab. In our case, the patient developed Grade 3 diarrhea, prompting the initiation of intravenous prednisolone at 80mg/day in accordance with guidelines. However, symptom improvement was not attained. In situations where symptoms persist beyond three days despite systemic steroid administration, the consideration of adjunctive infliximab use at a dosage of 5mg/kg becomes necessary.
Keywords インフリキシマブ(infliximab) 免疫関連有害事象(immune-related adverse events) 大腸炎(colitis)
Publication Title Journal of Okayama Medical Association
Published Date 2024-08-01
Volume volume136
Issue issue2
Start Page 69
End Page 73
ISSN 0030-1558
Related Url isVersionOf https://doi.org/10.4044/joma.136.69
language Japanese
Copyright Holders Copyright (c) 2024 岡山医学会
File Version publisher
DOI 10.4044/joma.136.69
Author Nakanoh, Hiroyuki| Tsuji, Kenji| Morimoto, Shiho| Fukushima, Kazuhiko| Iwamuro, Masaya| Uchida, Haruhito A.| Wada, Jun|
Keywords Cronkhite–Canada syndrome Membranous nephropathy Nephrotic syndrome Mizoribine
Note This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s13730-024-00908-9| This fulltext file will be available in Jul. 2025.|
Published Date 2024-07-02
Publication Title CEN Case Reports
Publisher Springer Science and Business Media LLC
ISSN 2192-4449
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s), under exclusive licence to Japanese Society of Nephrology 2024
File Version author
PubMed ID 38954395
DOI 10.1007/s13730-024-00908-9
Web of Science KeyUT 001261218500001
Related Url isVersionOf https://doi.org/10.1007/s13730-024-00908-9
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Author Iwamuro, Masaya| Kawano, Seiji| Otsuka, Motoyuki|
Keywords Diagnosis Esophagogastroduodenoscopy Non-neoplastic lesions Esophageal lesions Gastric lesions Duodenal lesions
Published Date 2024-04-28
Publication Title World Journal of Gastroenterology
Volume volume30
Issue issue16
Publisher Baishideng Publishing Group
Start Page 2220
End Page 2232
ISSN 1007-9327
NCID AA11690631
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2024.
File Version publisher
PubMed ID 38690017
DOI 10.3748/wjg.v30.i16.2220
Web of Science KeyUT 001214282500009
Related Url isVersionOf https://doi.org/10.3748/wjg.v30.i16.2220
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Author Iwamuro, Masaya| Ennishi, Daisuke| Fujii, Nobuharu| Matsuoka, Ken-Ichi| Tanaka, Takehiro| Inokuchi, Toshihiro| Hiraoka, Sakiko| Otsuka, Motoyuki|
Keywords Colonoscopy Esophagogastroduodenoscopy Graft-versus-host disease Hematopoietic stem cell transplantation Intestinal transplant-associated microangiopathy iTAM
Note The version of record of this article, first published in BMC Gastroenterology, is available online at Publisher’s website: http://dx.doi.org/10.1186/s12876-024-03221-y|
Published Date 2024-04-22
Publication Title BMC Gastroenterology
Volume volume24
Issue issue1
Publisher BMC
Start Page 140
ISSN 1471-230X
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2024.
File Version publisher
PubMed ID 38649868
DOI 10.1186/s12876-024-03221-y
Web of Science KeyUT 001206319800003
Related Url isVersionOf https://doi.org/10.1186/s12876-024-03221-y
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Author Kobashi, Mayu| Ishikawa, Shigenao| Inaba, Tomoki| Iwamuro, Masaya| Aoyama, Yuki| Kagawa, Tomo| Takeuchi, Yasuto| Ando, Midori| Nakamura, Satoko| Okada, Hiroyuki|
Keywords Frozen section Pathological diagnosis Diagnostic accuracy Early gastric cancer Endoscopic submucosal dissection Lateral margin
Note The version of record of this article, first published in Surgical Endoscopy, is available online at Publisher’s website: http://dx.doi.org/10.1007/s00464-023-10100-2|
Published Date 2023-05-22
Publication Title Surgical Endoscopy
Volume volume37
Issue issue9
Publisher Springer Science and Business Media LLC
Start Page 6736
End Page 6748
ISSN 0930-2794
NCID AA10750363
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2023
File Version publisher
PubMed ID 37217685
DOI 10.1007/s00464-023-10100-2
Web of Science KeyUT 000993678400007
Related Url isVersionOf https://doi.org/10.1007/s00464-023-10100-2
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Author Kawai, Daisuke| Iwamuro, Masaya| Takenaka, Ryuta| Obata, Taisuke| Yamamoto, Takashi| Hirata, Shoichiro| Miura, Ko| Takemoto, Koji| Tsugeno, Hirofumi| Fujiki, Shigeatsu|
Keywords endoscopic submucosal dissection antithrombotic agents thienopyridine gastric tumor postoperative bleeding delayed bleeding
Published Date 2024-03-25
Publication Title Journal of Clinical Medicine
Volume volume13
Issue issue7
Publisher MDPI
Start Page 1886
ISSN 2077-0383
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2024 by the authors.
File Version publisher
PubMed ID 38610651
DOI 10.3390/jcm13071886
Web of Science KeyUT 001200991800001
Related Url isVersionOf https://doi.org/10.3390/jcm13071886
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Author Iwamuro, Masaya| Takenaka, Ryuta| Miyahara, Koji| Okanoue, Shotaro| Yoshioka, Masao| Sakaguchi, Chihiro| Yamamoto, Kumiko| Kawai, Yoshinari| Toyokawa, Tatsuya| Tanaka, Takehiro| Otsuka, Motoyuki|
Keywords Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue Gastric neoplasms Esophagogastroduodenoscopy t(11;18) translocation, Trisomy 18
Note The version of record of this article, first published in Scientific Reports, is available online at Publisher’s website: http://dx.doi.org/10.1038/s41598-024-55663-9|
Published Date 2024-02-29
Publication Title Scientific Reports
Volume volume14
Issue issue1
Publisher Nature Portfolio
Start Page 4953
ISSN 2045-2322
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2024
File Version publisher
PubMed ID 38418651
DOI 10.1038/s41598-024-55663-9
Web of Science KeyUT 001178149200009
Related Url isVersionOf https://doi.org/10.1038/s41598-024-55663-9
FullText URL fulltext.pdf
Author Iwamuro, Masaya| Kawano, Seiji| Otsuka, Motoyuki|
Keywords Cowden syndrome Cronkhite-Canada syndrome familial adenomatous polyposis gastric polyposis juvenile polyposis syndrome Peutz-Jeghers syndrome
Published Date 2024-01-27
Publication Title Gastroenterology Insights
Volume volume15
Issue issue1
Publisher MDPI
Start Page 122
End Page 144
ISSN 2036-7414
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2024 by the authors.
File Version publisher
DOI 10.3390/gastroent15010009
Web of Science KeyUT 001191406000001
Related Url isVersionOf https://doi.org/10.3390/gastroent15010009
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Author Iwamuro, Masaya| Takenaka, Ryuta| Toyokawa, Tatsuya| Kita, Masahide| Tsuzuki, Takao| Yoshioka, Masao| Gotoda, Tatsuhiro| Okanoue, Shotaro| Matsubara, Minoru| Sakaguchi, Chihiro| Otsuka, Motoyuki|
Note The version of record of this article, first published in Scientific Reports, is available online at Publisher’s website: http://dx.doi.org/10.1038/s41598-024-52633-z|
Published Date 2024-01-25
Publication Title Scientific Reports
Volume volume14
Issue issue1
Publisher Nature Portfolio
Start Page 2202
ISSN 2045-2322
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2024
File Version publisher
PubMed ID 38273039
DOI 10.1038/s41598-024-52633-z
Web of Science KeyUT 001151714000020
Related Url isVersionOf https://doi.org/10.1038/s41598-024-52633-z
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Author Kikuchi, Tatsuya| Kono, Yoshiyasu| Nakagawa, Koji| Okada, Hiroyuki| Miyamoto, Masakazu| Takaya, Yoichi| Hirata, Shoichiro| Inoo, Shoko| Kuraoka, Sakiko| Okanoue, Shotaro| Matsueda, Katsunori| Satomi, Takuya| Hamada, Kenta| Iwamuro, Masaya| Kawano, Seiji| Kawahara, Yoshiro|
Keywords antithrombotic drugs gastrointestinal bleeding left atrial appendage closure
Published Date 2023-12-27
Publication Title JGH Open
Volume volume8
Issue issue1
Publisher Wiley
Start Page e13009
ISSN 2397-9070
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2023 The Authors.
File Version publisher
DOI 10.1002/jgh3.13009
Web of Science KeyUT 001131741800001
Related Url isVersionOf https://doi.org/10.1002/jgh3.13009
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Author Tsuge, Mitsuru| Shigehara, Kenji| Uda, Kazuhiro| Kawano, Seiji| Iwamuro, Masaya| Saito, Yukie| Yashiro, Masato| Ikeda, Masanori| Tsukahara, Hirokazu|
Keywords Duodenal ulcer Dupilumab Eosinophilic gastroenteritis Eotaxin-3 Food allergy Interleukin-5 Interleukin-13 Non-esophageal eosinophilic gastrointestinal disorder
Note The version of record of this article, first published in Allergy, Asthma & Clinical Immunology, is available online at Publisher’s website: http://dx.doi.org/10.1186/s13223-023-00859-3|
Published Date 2023-12-05
Publication Title Allergy, Asthma & Clinical Immunology
Volume volume19
Issue issue1
Publisher BMC
Start Page 103
ISSN 1710-1492
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2023.
File Version publisher
PubMed ID 38053199
DOI 10.1186/s13223-023-00859-3
Web of Science KeyUT 001113362100001
Related Url isVersionOf https://doi.org/10.1186/s13223-023-00859-3
JaLCDOI 10.18926/AMO/65978
FullText URL 77_5_545.pdf
Author Iwamuro, Masaya| Tanaka, Shouichi| Toyokawa, Tatsuya| Nishimura, Mamoru| Tsuzuki, Takao| Miyahara, Koji| Negishi, Shin| Ohya, Shogen| Tanaka, Takehiro| Otsuka, Motoyuki|
Abstract To determine the endoscopic and clinical features of localized gastric amyloid light-chain (AL) amyloidosis, we retrospectively examined the characteristics of nine patients (eight men and one woman) encountered by the hospitals in our network. Lesions were predominantly flat and depressed with surface vascular dilatation (n=5); others were characterized by subepithelial lesions (n=2), mucosal color change (n=1), and a mass-like morphology with swollen mucosal folds (n=1). Colonoscopy (n=7), video capsule enteroscopy (n=2), serum (n=5) and urine immunoelectrophoresis (n=4), and bone marrow examination (n=3) were performed to exclude involvement of organs other than the stomach. As treatment for gastric lesions of AL amyloidosis, one patient each underwent endoscopic submucosal dissection (n=1) and argon plasma coagulation (n=1), while the remaining seven patients underwent no specific treatment. During a mean follow-up of 4.2 years, one patient died 3.2 years after diagnosis, but the cause of death, which occurred in another hospital, was unknown. The remaining eight patients were alive at the last visit. In conclusion, although localized gastric AL amyloidosis can show various macroscopic features on esophagogastroduodenoscopy, flat, depressed lesions with vascular dilatation on the surface are predominant.
Keywords esophagogastroduodenoscopy gastric lesion amyloidosis light chain
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2023-10
Volume volume77
Issue issue5
Publisher Okayama University Medical School
Start Page 545
End Page 552
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2023 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 37899266
Web of Science KeyUT 001094245100001