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Author

Masafumi Yamamura

Observed names: M Yamamura, Yamamura, Masafumi
ORCID: 0000-0003-4486-8859
Observed ORCID: 0000-0003-4486-8859
OpenAlex ID: A5087797746
Coronavirus disease outbreak: a simple infection prevention measure using a surgical mask during endoscopy
2020 · Hirotsugu Maruyama, Akira Higashimori, et al. · Endoscopy · 17
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Risk factors for adverse events associated with endoscopic submucosal dissection for superficial pharyngeal cancer
2023 · Masaki Ominami, Yasuaki Nagami, et al. · Surgical Endoscopy · 10
Successful retrieval of a fractured migrated pancreatic stent using an endoscopic tapered sheath for severe pancreatic duct stenosis
2023 · Akira Higashimori, Hirotsugu Maruyama, et al. · Endoscopy · 9
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Evaluation of long-term survival in patients with severe comorbidities after endoscopic submucosal dissection for esophageal squamous cell carcinoma
2021 · Shinji Hirano, Yasuaki Nagami, et al. · Surgical Endoscopy · 6
Comparison of the Diagnostic Efficiency of Radial- and Convex-Arrayed Echoendoscopes for Indirect Findings of Pancreatic Cancer: A Retrospective Comparative Study Using Propensity Score Method
2021 · Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, et al. · Cancers · 6
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Obstructive Jaundice Due to Duodenal Ulcer Induced by Lenvatinib Therapy for Hepatocellular Carcinoma
2020 · Maito Suoh, Atsushi Hagihara, et al. · Internal Medicine · 6
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Clinical Implication of Preoperative C-Reactive Protein/Albumin Ratio in Malignant Transformation of Intraductal Papillary Mucinous Neoplasm: A Propensity Score Analysis
2022 · Hirotsugu Maruyama, Kojiro Tanoue, et al. · Diagnostics · 5
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Safety of Endoscopic Mucosal Resection Using a Bipolar Snare for Superficial Nonampullary Duodenal Epithelial Tumors and the Predictive Factors of Piecemeal Resection
2020 · Masafumi Yamamura, Yasuaki Nagami, et al. · Digestion · 5
Intramural hematoma of the colon caused by double-balloon enteroscopy in a patient with chronic disseminated intravascular coagulation
2016 · Yasuaki Nagami, Yasuhiro Fujiwara, et al. · Endoscopy · 5
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The usefulness of serial pancreatic juice aspiration cytological examination for pancreatic cancer not diagnosed by EUS-FNAB
2020 · Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, et al. · Clinical Journal of Gastroenterology · 4
Influence of a biliary stent in patients with advanced pancreatic cancer treated with modified FOLFIRINOX
2022 · Akie Yoshikawa-Kimura, Koichi Taira, et al. · Medicine · 3
Angle of covered self-expandable metallic stents after placement is a risk factor for recurrent biliary obstruction
2022 · Kojiro Tanoue, Hirotsugu Maruyama, et al. · World Journal of Hepatology · 3
[Current real-world treatments for Japanese patients with eosinophilic esophagitis].
2022 · Yasuhiro Fujiwara, Fumio Tanaka, et al. · PubMed · 2
Ring-Shaped Thread Counter Traction–Assisted Endoscopic Retrograde Cholangiopancreatography of a Huge Periampullary Diverticula
2020 · Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, et al. · The American Journal of Gastroenterology · 2
Sa1288 MULTIPLE LUGOL-VOIDING LESIONS INCREASE THE RISK FOR METACHRONOUS RECURRENCE AFTER ENDOSCOPIC SUBMUCOSAL DISSECTION OF SUPERFICIAL ESOPHAGEAL SQUAMOUS CELL CARCINOMA
2019 · Shinji Hirano, Yasuaki Nagami, et al. · Gastrointestinal Endoscopy · 2
Detachable Snare to Fix the Endoscopic Nasobiliary Drainage Tube for the Treatment of Postoperative Bile Leakage
2019 · Hirotsugu Maruyama, Yuki Kakiya-Ishikawa, et al. · The American Journal of Gastroenterology · 2
A simple replacement method for a 7 Fr dedicated plastic stent in endoscopic ultrasound-guided hepaticogastrostomy
2023 · Yuki Ishikawa-Kakiya, Hirotsugu Maruyama, et al. · Endoscopy · 1
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Successful re-intervention using endoscopic ultrasound-guided drainage via an endoscopic tapered sheath for recurrent walled-off necrosis with fibrosis
2023 · Hirotsugu Maruyama, Akira Higashimori, et al. · Endoscopy · 1
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Ep1155: the Usefulness of an Inflammation-based Score in Malignant Transformation of Ipmns
2022 · Yoshinori Shimamoto, Hirotsugu Maruyama, et al. · Gastroenterology · 1
Id: 3517856 an Extra 1-cm Safety Margin During Endoscopic Submucosal Dissection Can Control Subsquamous Tumor Extension of Adenocarcinoma in the Esophagogastric Junction: a Prospective Feasibility Study
2021 · Taku Manabe, Yasuaki Nagami, et al. · Gastrointestinal Endoscopy · 1
Mo1770 INCREASED INCIDENCE OF ELECTROCOAGULATION SYNDROME AFTER COROLECTAL ENDOSCOPIC SUBMUCOSAL DISSECTION IN ELDERLY PATIENTS: A RETROSPECTIVE STUDY
2020 · Shusei Fukunaga, Yasuaki Nagami, et al. · Gastrointestinal Endoscopy · 1
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ERCP using a conventional upper gastrointestinal endoscope for a patient with a type I duodenal stricture
2019 · Hirotsugu Maruyama, Yuki Kakiya-Ishikawa, et al. · Endoscopy · 1
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Can Narrow Band Imaging Sustain Esophageal Preservation in Long-Term Surveillance?
2025 · Y Nagami, M Ominami, et al. · Endoscopy
The Middle- and Long-term Prognosis of Fully Covered Self-expandable Metallic Stents Treatment for Patients With Benign Hepaticojejunostomy Anastomotic Stricture by Balloon Assisted Endoscope-guided Endoscopic Retrograde Cholangiopancreatography
2023 · Kojiro Tanoue, Hirotsugu Maruyama, et al. · Gastrointestinal Endoscopy
Effect of Clip Closure for Mucosal Defect After Colorectal Endoscopic Submucosal Dissection: a Propensity Score Analysis
2023 · Shusei Fukunaga, Yasuaki Nagami, et al. · Gastrointestinal Endoscopy
Works count: 58
Citation count: 93
H-index: 6
I10-index: 2
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