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Itaru Iwama

Observed names: I Iwama, I. Iwama
ORCID: 0000-0001-8677-8195
Observed ORCID: 0000-0001-8677-8195
OpenAlex ID: A5001237318
A Systematic Review of Monogenic Inflammatory Bowel Disease
2021 · Ryusuke Nambu, Neil Warner, et al. · Clinical Gastroenterology and Hepatology · 167
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Serum matrix metalloproteinase‐7 in biliary atresia: A Japanese multicenter study
2022 · Hirotaka Sakaguchi, Ken‐ichiro Konishi, et al. · Hepatology Research · 41
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Phenotypic characteristics of pediatric inflammatory bowel disease in Japan: results from a multicenter registry
2020 · Katsuhiro Arai, Reiko Kunisaki, et al. · Intestinal Research · 41
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Current role of colonoscopy in infants and young children: a multicenter study
2019 · Ryusuke Nambu, Shin-ichiro Hagiwara, et al. · BMC Gastroenterology · 32
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Clinical Guidelines for Diagnosis and Management of Juvenile Polyposis Syndrome in Children and Adults-Secondary Publication
2023 · Takayuki Matsumoto, Junji Umeno, et al. · Journal of the Anus Rectum and Colon · 30
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Causes of Melena and Effective Examination Strategies in Children
2021 · Itaru Iwama, Masashi Yoshida, et al. · Frontiers in Pediatrics · 27
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Zinc monotherapy for young children with presymptomatic Wilson disease: A multicenter study in Japan
2017 · Keisuke Eda, Tatsuki Mizuochi, et al. · Journal of Gastroenterology and Hepatology · 27
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Anti–Integrin αvβ6 Antibody as a Diagnostic Marker for Pediatric Patients With Ulcerative Colitis
2022 · Yuya Muramoto, Hiroshi Nihira, et al. · Gastroenterology · 26
Both fecal calprotectin and fecal immunochemical tests are useful in children with inflammatory bowel disease
2022 · Hirotaka Shimizu, Ryo Ebana, et al. · Journal of Gastroenterology · 19
Safety and efficacy of the endoscopic delivery of capsule endoscopes in adult and pediatric patients: Multicenter Japanese study (AdvanCE‐J study)
2021 · Naoki Ohmiya, Shiro Oka, et al. · Digestive Endoscopy · 18
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Efficacy and safety of a capsule endoscope delivery device in children
2019 · Itaru Iwama, Hirotaka Shimizu, et al. · European Journal of Gastroenterology & Hepatology · 18
Diagnostic performance of ultrasound without any colon preparation for detecting colorectal polyps in pediatric patients
2019 · Takahiro Hosokawa, Mayumi Hosokawa, et al. · Pediatric Radiology · 17
A consensus statement on health‐care transition for childhood‐onset inflammatory bowel disease patients
2022 · Hideki Kumagai, Toshiaki Shimizu, et al. · Pediatrics International · 16
Case of pediatric Ménétrier disease with cytomegalovirus and Helicobacter pylori co‐infection
2010 · Itaru Iwama, Seiichi Kagimoto, et al. · Pediatrics International · 15
Safety and efficacy of vedolizumab in pediatric patients with ulcerative colitis: multicenter study in Japan
2023 · Koji Yokoyama, Yoko Yamamoto, et al. · Journal of Gastroenterology and Hepatology · 14
Real-world efficacy and safety of glecaprevir/pibrentasvir in Japanese adolescents with chronic hepatitis C: a prospective multicenter study
2023 · Tatsuki Mizuochi, Itaru Iwama, et al. · Journal of Gastroenterology · 14
Diagnostic Accuracy of Ultrasound for Detecting Gastric or Duodenal Ulcers in Pediatric Patients
2021 · Takahiro Hosokawa, Yutaka Tanami, et al. · Journal of Ultrasound in Medicine · 14
Clinical Safety and Utility of Pediatric Balloon‐assisted Enteroscopy: A Multicenter Prospective Study in Japan
2018 · Shin‐ichiro Hagiwara, Takahiro Kudo, et al. · Journal of Pediatric Gastroenterology and Nutrition · 13
Case Report of a Successful Liver Transplantation for Acute Liver Failure Due to Mitochondrial Respiratory Chain Complex III Deficiency
2011 · I. Iwama, Y. Baba, et al. · Transplantation Proceedings · 13
Interim analysis of a multicenter registry study of COVID-19 patients with inflammatory bowel disease in Japan (J-COSMOS)
2022 · Hiroshi Nakase, Yuki Hayashi, et al. · Journal of Gastroenterology · 12
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Multicenter, cross-sectional, observational study on Epstein–Barr viral infection status and thiopurine use by age group in patients with inflammatory bowel disease in Japan (EBISU study)
2021 · Miki Miura, Hirotaka Shimizu, et al. · Journal of Gastroenterology · 12
Qing‐Dai for pediatric ulcerative colitis multicenter survey and systematic review
2021 · Takahiro Kudo, Keisuke Jimbo, et al. · Pediatrics International · 11
A novel finding of Rapunzel syndrome
2017 · Itaru Iwama, Ryusuke Nambu, et al. · Clinical Journal of Gastroenterology · 11
Real-world NUDT15 genotyping and thiopurine treatment optimization in inflammatory bowel disease: a multicenter study
2024 · Motoki Makuuchi, Yoichi Kakuta, et al. · Journal of Gastroenterology · 10
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Dapsone for Refractory Gastrointestinal Symptoms in Children With Immunoglobulin A Vasculitis
2022 · Masashi Yoshida, Ryusuke Nambu, et al. · PEDIATRICS · 9
Works count: 80
Citation count: 758
H-index: 14
I10-index: 24
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