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Takeshi Yamashina · SciRah

Researcher profile · Semantic Scholar

Takeshi Yamashina

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Takeshi Yamashina — researcher profile on SciRah

h-index: 26
Works: 62
Citations: 2,140

Most-cited papers

Long-Term Outcome and Metastatic Risk After Endoscopic Resection of Superficial Esophageal Squamous Cell Carcinoma
Takeshi Yamashina, R. Ishihara, K. Nagai, N. Matsuura +9 more
2013American Journal of Gastroenterology254 citations
Semantic Scholar
Delayed perforation: A hazardous complication of endoscopic resection for non‐ampullary duodenal neoplasm
Takuya Inoue, N. Uedo, Takeshi Yamashina, S. Yamamoto +9 more
2014Digestive Endoscopy188 citations
Semantic Scholar
Comparison of Underwater vs Conventional Endoscopic Mucosal Resection of Intermediate-Size Colorectal Polyps.
Takeshi Yamashina, N. Uedo, T. Akasaka, Taro Iwatsubo +7 more
2019Gastroenterology176 citations
Semantic Scholar
Features of electrocoagulation syndrome after endoscopic submucosal dissection for colorectal neoplasm
Takeshi Yamashina, Y. Takeuchi, N. Uedo, K. Hamada +10 more
2016Journal of Gastroenterology and Hepatology107 citations
Semantic Scholar
Scheduled second-look endoscopy is not recommended after endoscopic submucosal dissection for gastric neoplasms (the SAFE trial): a multicentre prospective randomised controlled non-inferiority trial
S. Mochizuki, N. Uedo, I. Oda, K. Kaneko +10 more
2014Gut98 citations
Semantic Scholar
Factors predicting perforation during endoscopic submucosal dissection for gastric cancer.
T. Ohta, R. Ishihara, N. Uedo, Y. Takeuchi +10 more
2012Gastrointestinal Endoscopy90 citations
Semantic Scholar
Incomplete resection rate of cold snare polypectomy: a prospective single-arm observational study
N. Matsuura, Y. Takeuchi, Takeshi Yamashina, T. Ito +13 more
2017Endoscopy83 citations
Semantic Scholar
Diagnostic features of sessile serrated adenoma/polyps on magnifying narrow band imaging: A prospective study of diagnostic accuracy
Takeshi Yamashina, Y. Takeuchi, N. Uedo, Kenji Aoi +11 more
2015Journal of Gastroenterology and Hepatology82 citations
Semantic Scholar
Feasibility of cold snare polypectomy in Japan: A pilot study.
Y. Takeuchi, Takeshi Yamashina, N. Matsuura, T. Ito +10 more
2015World Journal of Gastrointestinal Endoscopy77 citations Open access
Semantic Scholar
Line‐assisted complete closure for a large mucosal defect after colorectal endoscopic submucosal dissection decreased post‐electrocoagulation syndrome
Yasushi Yamasaki, Y. Takeuchi, Taro Iwatsubo, Minoru Kato +16 more
2018Digestive Endoscopy76 citations
Semantic Scholar
Cold snare polypectomy reduced delayed postpolypectomy bleeding compared with conventional hot polypectomy: a propensity score-matching analysis
Takeshi Yamashina, M. Fukuhara, T. Maruo, Gensho Tanke +17 more
2017Endoscopy International Open70 citations Open access
Semantic Scholar
Endoscopic Balloon Dilation Followed By Intralesional Steroid Injection for Anastomotic Strictures After Esophagectomy: A Randomized Controlled Trial
N. Hanaoka, R. Ishihara, Masaaki Motoori, Y. Takeuchi +17 more
2018American Journal of Gastroenterology66 citations
Semantic Scholar
Delayed perforation after intralesional triamcinolone injection for esophageal stricture following endoscopic submucosal dissection
Takeshi Yamashina, N. Uedo, M. Fujii, R. Ishihara +4 more
2013Endoscopy65 citations Open access
Semantic Scholar
Traction-assisted colonic endoscopic submucosal dissection using clip and line: a feasibility study
Yasushi Yamasaki, Y. Takeuchi, N. Uedo, Minoru Kato +11 more
2015Endoscopy International Open58 citations Open access
Semantic Scholar
A prospective randomized trial comparing the pocket-creation method and conventional method of colorectal endoscopic submucosal dissection.
Takeshi Yamashina, D. Nemoto, Y. Hayashi, H. Fukuda +9 more
2020Gastrointestinal Endoscopy56 citations
Semantic Scholar
Endoscopic submucosal dissection as minimally invasive treatment for superficial pharyngeal cancer: a phase II study (with video).
N. Hanaoka, R. Ishihara, Y. Takeuchi, Motoyuki Suzuki +20 more
2015Gastrointestinal Endoscopy50 citations
Semantic Scholar
Non-recurrence rate of underwater EMR for ≤20-mm non-ampullary duodenal adenomas: a multicenter prospective study (D-UEMR study).
Yasushi Yamasaki, N. Uedo, Takuji Akamatsu, T. Kagawa +19 more
2021Clinical Gastroenterology and Hepatology49 citations
Semantic Scholar
Safety and curative ability of endoscopic submucosal dissection for superficial esophageal cancers at least 50 mm in diameter
Takeshi Yamashina, R. Ishihara, N. Uedo, K. Nagai +10 more
2012Digestive Endoscopy47 citations
Semantic Scholar
Scissor‐type knife significantly improves self‐completion rate of colorectal endoscopic submucosal dissection: Single‐center prospective randomized trial
Takeshi Yamashina, Y. Takeuchi, K. Nagai, N. Matsuura +7 more
2017Digestive Endoscopy44 citations
Semantic Scholar
Performance of perioperative antibiotics against postendoscopic submucosal dissection coagulation syndrome: a multicenter randomized controlled trial.
S. Shichijo, Y. Takeuchi, Yuichi Shimodate, Takeshi Yamashina +24 more
2021Gastrointestinal Endoscopy35 citations
Semantic Scholar
Pink-color sign in esophageal squamous neoplasia, and speculation regarding the underlying mechanism.
R. Ishihara, H. Kanzaki, H. Iishi, K. Nagai +13 more
2013World Journal of Gastroenterology33 citations Open access
Semantic Scholar
Balloon-assisted endoscopy facilitates endoscopic submucosal dissection of difficult superficial proximal colon tumors
Takeshi Yamashina, Y. Hayashi, H. Sakamoto, T. Yano +5 more
2018Endoscopy30 citations
Semantic Scholar
Endoscopic resection for gastric submucosal tumors: Japanese multicenter retrospective study
S. Shichijo, N. Abe, H. Takeuchi, K. Ohata +12 more
2022Digestive Endoscopy27 citations
Semantic Scholar
Endoscopic optical diagnosis provides high diagnostic accuracy of esophageal squamous cell carcinoma
K. Nagai, R. Ishihara, S. Ishiguro, T. Ohta +15 more
2014BMC Gastroenterology27 citations Open access
Semantic Scholar
Randomized Study of Two Endo-knives for Endoscopic Submucosal Dissection of Esophageal Cancer
H. Kanzaki, R. Ishihara, T. Ohta, K. Nagai +10 more
2013American Journal of Gastroenterology27 citations
Semantic Scholar
Gel Immersion Endoscopic Mucosal Resection (EMR) for Superficial Nonampullary Duodenal Epithelial Tumors May Reduce Procedure Time Compared with Underwater EMR (with Video)
Takeshi Yamashina, Masaaki Shimatani, Yu Takahashi, Masahiro Takeo +11 more
2022Gastroenterology Research and Practice26 citations Open access
Semantic Scholar
Histological features responsible for brownish epithelium in squamous neoplasia of the esophagus by narrow band imaging
H. Kanzaki, R. Ishihara, S. Ishiguro, K. Nagai +11 more
2013Journal of Gastroenterology and Hepatology26 citations
Semantic Scholar
Underwater endoscopic mucosal resection: a new endoscopic method for resection of rectal neuroendocrine tumor grade 1 (carcinoid) ≤ 10 mm in diameter
Takeshi Yamashina, Takehiko Tumura, T. Maruo, Takayuki Matsumae +16 more
2018Endoscopy International Open25 citations Open access
Semantic Scholar
The pocket-creation method may facilitate endoscopic submucosal dissection of large colorectal sessile tumors
Takeshi Yamashina, Y. Hayashi, H. Fukuda, Masahiro Okada +8 more
2020Endoscopy International Open20 citations Open access
Semantic Scholar
Additional staining for lymphovascular invasion is associated with increased estimation of lymph node metastasis in patients with T1 colorectal cancer: Systematic review and meta‐analysis
J. Watanabe, K. Ichimasa, Yuki Kataoka, A. Miki +8 more
2023Digestive Endoscopy14 citations Open access
Semantic Scholar
Depth of the cutting plane with underwater and conventional endoscopic mucosal resection: Post‐hoc analysis of a randomized study
Katsunori Matsueda, Y. Takeuchi, M. Kitamura, Takeshi Yamashina +9 more
2022Journal of Gastroenterology and Hepatology14 citations
Semantic Scholar
Investigation of mucosal pattern of gastric antrum using magnifying narrow-band imaging in patients with chronic atrophic fundic gastritis
Yasushi Yamasaki, N. Uedo, H. Kanzaki, Minoru Kato +13 more
2017Annals of gastroenterology : quarterly publication of the Hellenic Society of Gastroenterology14 citations Open access
Semantic Scholar
Efficacy of Underwater Endoscopic Mucosal Resection for Nonpedunculated Colorectal Polyps: A Systematic Review and Meta-Analysis
Takeshi Yamashina, N. Hanaoka, T. Setoyama, J. Watanabe +2 more
2021Cureus12 citations Open access
Semantic Scholar
Esophageal EUS by filling water-soluble lubricating jelly for diagnosis of depth of invasion in superficial esophageal cancer.
N. Hanaoka, R. Ishihara, N. Matsuura, N. Uedo +5 more
2015Gastrointestinal Endoscopy10 citations
Semantic Scholar
Computer-aided diagnosis of serrated colorectal lesions using non-magnified white-light endoscopic images
D. Nemoto, Zhe Guo, Bo-Yuan Peng, Ruiyao Zhang +8 more
2022International Journal of Colorectal Disease8 citations Open access
Semantic Scholar
Under-gel Endoscopic Mucosal Resection without Injection: A Novel Endoscopic Treatment Method for Superficial Nonampullary Duodenal Epithelial Tumors
Haruka Amino, Takeshi Yamashina, H. Marusawa
2021JMA Journal7 citations Open access
Semantic Scholar
Self-study of the non-extension sign in an e-learning program improves diagnostic accuracy of invasion depth of early gastric cancer
Minoru Kato, N. Uedo, T. Nagahama, K. Yao +90 more
2019Endoscopy International Open7 citations Open access
Semantic Scholar
New Treatment for completely obstructed pancreaticojejunal anastomosis using Gel-immersion double-balloon ERP with long cap.
Masaaki Shimatani, T. Mitsuyama, Takeshi Yamashina
2023Clinical Gastroenterology and Hepatology6 citations Open access
Semantic Scholar
Viral Infection in Esophageal, Gastric, and Colorectal Cancer
Takeshi Yamashina, Masaaki Shimatani, Masahiro Takeo, Kotaro Sasaki +11 more
2022Healthcare6 citations Open access
Semantic Scholar
Long-term survival after endoscopic resection for early gastric cancer in the remnant stomach: comparison with radical surgery
Takeshi Yamashina, N. Uedo, Katsuyuki Dainaka, Kenji Aoi +13 more
2015Annals of gastroenterology : quarterly publication of the Hellenic Society of Gastroenterology6 citations
Semantic Scholar
Endoscopic features of early stage gastric adenocarcinoma of fundic gland type (chief cell predominant type): a case report
M. Fujii, N. Uedo, R. Ishihara, Kenji Aoi +9 more
20146 citations Open access
Semantic Scholar
Usefulness of chromoendoscopy and magnifying narrow band imaging endoscopy for diagnosis of demarcation of adenocarcinoma in Barrett's esophagus
Takeshi Yamashina, N. Uedo, Fumi Matsui, R. Ishihara +1 more
2013Digestive Endoscopy6 citations Open access
Semantic Scholar
Perforation-free removal of gastric gastrointestinal stromal tumors: Endoscopic inversion and strangulation of muscle layer and resection (EISMR)
Takeshi Yamashina, Masaaki Shimatani, H. Matsumoto, Masahiro Orino +9 more
2023Endoscopy International Open3 citations Open access
Semantic Scholar
Prospective comparison of diagnostic performance of magnifying endoscopy and biopsy for sessile serrated adenoma/polyp
Takeshi Yamashina, T. Setoyama, A. Sakamoto, N. Hanaoka +3 more
2022Annals of gastroenterology : quarterly publication of the Hellenic Society of Gastroenterology3 citations Open access
Semantic Scholar
Low-dose aspirin continuation during gastric ESD in patients with low thrombotic risk: a randomized trial.
N. Uedo, Takuji Gotoda, K. Takizawa, Takuji Akamatsu +16 more
2026American Journal of Gastroenterology2 citations
Semantic Scholar
Endoscopic approach for a pinhole-like benign stenosis in a pancreaticojejunal anastomosis using a double-balloon endoscope with a clear long cap attachment
Takeshi Kasai, Masaaki Shimatani, T. Mitsuyama, Takeshi Yamashina +3 more
2022Endoscopy2 citations Open access
Semantic Scholar
Prospective small bowel mucosal assessment immediately after chemoradiotherapy of unresectable locally advanced pancreatic cancer using capsule endoscopy: a case series
Takeshi Yamashina, R. Takada, N. Uedo, T. Akasaka +8 more
2016Annals of gastroenterology : quarterly publication of the Hellenic Society of Gastroenterology2 citations
Semantic Scholar
Gel immersion endoscopic papillectomy using a double-balloon endoscope to resect an ampullary tumor
Takeshi Kasai, Masaaki Shimatani, T. Mitsuyama, Takeshi Yamashina +3 more
2023Endoscopy1 citations Open access
Semantic Scholar
Efficacy of Underwater EMR for non-pedunculated colorectal lesions: a systematic review and meta-analysis protocol v1
Takeshi Yamashina, N. Hanaoka, T. Setoyama, Masahiro Banno +2 more
20201 citations Open access
Semantic Scholar
Continuous warfarin administration versus heparin bridging therapy in post colorectal polypectomy haemorrhage: a study protocol for a multicentre randomised controlled trial (WHICH study)
Y. Nagami, Taishi Sakai, M. Yamamura, M. Nakatani +52 more
2020Trials1 citations Open access
Semantic Scholar

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N. Uedo×32
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N. Hanaoka×25
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Y. Takeuchi×25
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R. Ishihara×23
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K. Higashino×22

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T. Akasaka — researcher profile on SciRah

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Fumi Matsui — researcher profile on SciRah