Kosuke Nomura

A Novel Endoscopic Finding of Achalasia: “Endoscopic Vertebrae Sign”

Yorinari Ochiai, Yugo Suzuki, Kosuke Nomura, Hiroyuki Odagiri et autres

INTRODUCTION: Achalasia is an esophageal motility disorder that significantly impairs quality of life. Recently, peroral endoscopic myotomy has yielded satisfactory treatment outcomes. Although the current gold standard is esophageal high-resolution manometry (HRM), early endoscopic detection is essential for accurate diagnosis. Dilatation of …

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Hemispherical Display with 15K-equivalent Projector for 30K 360-degree Video

Yuichi Kusakabe, Kosuke Nomura

Vonoprazan vs. Esomeprazole: Scarring Rate of Post-endoscopic Submucosal Dissection Ulcers in the Postoperative Stomach

Kosuke Nomura, Yugo Suzuki, Yorinari Ochiai, Junnosuke Hayasaka et autres

(p<0.05), and the postoperative bleeding rates were 5.4% and 7.7%, respectively. There were no significant differences in sex, surgical procedure, diabetes status, or use of steroids, nonsteroidal anti-inflammatory drugs, or antithrombotic medications. An analysis using propensity scores to adjust for age, sex, …

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Usefulness of an ultrathin endoscope in esophageal endoscopic submucosal dissection

Daisuke Kikuchi, Yugo Suzuki, Yusuke Kawai, Kosuke Nomura et autres

Abstract Background and study aims Endoscopic submucosal dissection (ESD) is sometimes challenging because of stenosis and scarring. We examined the use of an ultrathin endoscope for esophageal ESD, which is difficult using conventional endoscopes. Patients and methods A designated transparent hood and …

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Doughnut-shaped endoscopic submucosal dissection for circumferential ileocecal valve adenoma

Yugo Suzuki, Kosuke Nomura, Hanako Inoue, Daisuke Kikuchi et autres

Endoscopic submucosal dissection (ESD) has not become established as a standard technique for treatment of ileocecal valve (ICV) lesions, and its efficacy has been reported as limited because of its technical difficulty and the time required [ 1 ] [ 2 ] …

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Clinicopathological Features of Early Gastric Cancer Complicated by Autoimmune Gastritis

Kosuke Nomura, Daisuke Kikuchi, Yusuke Kawai, Yorinari Ochiai et autres

INTRODUCTION: In the post-Helicobacter pylori era, autoimmune gastritis (AIG) is attracting increasing attention as an origin of gastric cancer. Here, we performed clinicopathological examination of gastric cancer complicating AIG treated in our hospital. METHODS: Eighty-six early gastric cancer lesions complicating AIG in …

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Metastatic Gastric Tumors: Clinical and Endoscopic Features

Kazuki Hirano, Kosuke Nomura, Yorinari Ochiai, Junnosuke Hayasaka et autres

INTRODUCTION: Stomach metastasis is rare, and there are few reports on its endoscopic features. Herein, we focused on the endoscopic features and discussed and reviewed the clinicopathological characteristics of metastatic gastric tumors. METHODS: We conducted an analysis on the clinicopathological features of …

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Assessment of Residual Vasospasm in Patients with Plaque Rupture or Plaque Erosion using Optical Coherence Tomography

Teruo Sekimoto, Hiroyoshi Mori, Shinji Koba, Taito Arai et autres

AIMS: Coronary vasospasm is associated with acute coronary syndrome (ACS) and may persist during primary percutaneous coronary intervention (PCI). We aimed to elucidate the incidence, morphological characteristics, and prognostic impact of residual vasospasm in plaque rupture (PR) and plaque erosion (PE) lesions …

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Validity of Endoscopic Submucosal Dissection for Gastric Cancer Diagnosed as Differentiated Adenocarcinoma Before Treatment Regardless of Lesion Size

Kosuke Nomura, Shu Hoteya, Yorinari Ochiai, Takayuki Okamura et autres

BACKGROUND/AIMS: We investigated the validity and safety of endoscopic submucosal dissection for gastric tumors by examining shortand long-term outcomes by tumor diameter. MATERIALS AND METHODS: Endoscopic submucosal dissection for gastric tumor was performed on 4259 lesions at our hospital between January 2005 …

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Diagnostic Performance of Endoscopic Ultrasonography with Water-Filled Balloon Method for Superficial Esophageal Squamous Cell Carcinoma

Yugo Suzuki, Kosuke Nomura, Daisuke Kikuchi, Toshiro Iizuka et autres

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Long-term outcome of cervical lymph node metastasis in superficial pharyngeal squamous cell carcinoma after endoscopic submucosal dissection

Nobuhiko Ogasawara, Daisuke Kikuchi, Masami Tanaka, Yorinari Ochiai et autres

BACKGROUND AND AIMS: Superficial pharyngeal squamous cell carcinoma (PSCC) has received increasing attention as a therapeutic target in the GI field with recent innovations in endoscopic submucosal dissection (ESD). However, there are currently no defined criteria for the application of ESD to …

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Clinical predictors of special type of esophageal cancer

Yugo Suzuki, Yu Ohkura, Mako Koseki, Kosuke Nomura et autres

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