Satoshi Yamashita

Comprehensive Endoscopic Management of Superficial Pharyngeal Cancer – From Detection and Diagnosis to Treatment and Surveillance

Daisuke Kikuchi, Yugo Suzuki, Satoshi Yamashita, Yorinari Ochiai et autres

Traditionally, pharyngeal cancer was detected at an advanced stage, as examinations were usually performed only after symptoms such as pain or dysphagia appeared. Consequently, it was considered a malignancy with a poor prognosis. However, recent advances in image-enhanced endoscopy (IEE) have facilitated …

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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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Mucosal and Submucosal Thickening of Esophageal Wall Is a Promising Factor in the Development of Symptoms in Eosinophilic Esophagitis

Yugo Suzuki, Yorinari Ochiai, Atsuko Hosoi, Takayuki Okamura et autres

Background/Aims: Asymptomatic esophageal eosinophilia (aEE) is considered to be a potential precursor of eosinophilic esophagitis (EoE). However, there are few clinical parameters that can be used to evaluate the disease. Therefore, we aimed to clarify the factors involved in the symptoms of …

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Safety of Cold Snare Polypectomy during Continuous Use of Antithrombotic Drugs for Delayed Post-Polypectomy Bleeding: A Pilot Study

Junnosuke Hayasaka, Satoshi Yamashita, Akira Matsui, Yusuke K. Kawai et autres

BACKGROUND: Cold snare polypectomy is a high-risk endoscopic procedure with a low delayed post-polypectomy bleeding rate. However, it is unclear whether delayed post-polypectomy bleeding rates increase during continuous antithrombotic treatment. This study aimed to determine the safety of cold snare polypectomy during …

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Micro neuroendocrine tumors diagnosed by screening endoscopy

Ayako Yanai, Akihiro Araki, Akiko Iwao, Yorinari Ochiai et autres

Neuroendocrine tumors (NETs) of the gastroenteric system are rare neoplasms with an estimated incidence of 3.51 per 100,000, and the incidence of NETs has increased. Small NETs are usually asymptomatic and sometimes detected by screening endoscopy.

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Feasibility of Rescue Colonoscopy Using a Short-type Enteroscope (SIF-H290S) without Overtube after Incomplete Colonoscopy: A Single-center Retrospective Pilot Study

Yorinari Ochiai, Hiroyuki Odagiri, Junnosuke Hayasaka, Takayuki Okamura et autres

Objectives: Recently, a newly designed short-type single-balloon enteroscope (SBE), SIF-H290S, has been developed with a smaller outer diameter and a longer working length than conventional colonoscopes. It has passive bending and high-force transmission, making insertion easier. However, it is difficult to perform …

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A case of follicular lymphoma diagnosed by EMR for a solitary duodenal flat-elevated lesion

Akinori Konishi, Yutaka Mitsunaga, Hironori Uruga, Takayuki Okamura et autres

A 50-year-old man underwent an upper gastrointestinal endoscopy. A 10-mm flat elevated lesion was found on the descending part of the duodenum. It was recognized as a lesion with clear borders by indigocarmine staining, and was diagnosed as a high grade duodenal …

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Endoscopic Submucosal Dissection for Superficial Esophageal Cancer in the Remnant Esophagus After Esophagectomy

Satoshi Nakamura, Daisuke Kikuchi, Toshiro Iizuka, Yugo Suzuki et autres

Abstract Background and study aimsTreatment of superficial cancer in the remnant esophagus after esophagectomy is highly invasive, and early detection and minimally invasive treatment are considered necessary. We performed endoscopic submucosal dissection (ESD) for superficial cancer in the remnant esophagus and evaluated …

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IGICS: JGA Keynote Program. The 9th International Gastrointestinal Consensus Symposium (IGICS). Gastrointestinal Infections. February 27, 2016, Keio Plaza Hotel, Tokyo, Japan: Abstracts

Eikichi Ihara, Kazumasa Muta, Keita Fukaura, Kazuhiko Nakamura et autres

JGA News

Eikichi Ihara, Kazumasa Muta, Keita Fukaura, Kazuhiko Nakamura et autres

Title Page / Table of Contents

Eikichi Ihara, Kazumasa Muta, Keita Fukaura, Kazuhiko W. NAKAMURA et autres

IGICS: JGA Keynote Program. The 7th International Gastrointestinal Consensus Symposium (IGICS). Gastrointestinal Function and Diseases. February 15, 2014, CORASSE Fukushima, Japan: Abstracts

Hiroko Hosaka, Tomohisa Takagi, Osamu Kawamura, Daisuke Kikuchi et autres