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Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society | Page 2

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https://read.qxmd.com/read/31220372/color-information-from-linked-color-imaging-is-associated-with-invasion-depth-and-vascular-diameter-in-superficial-esophageal-squamous-cell-carcinoma
#21
Kenichi Kobayashi, Ryoji Miyahara, Kohei Funasaka, Kazuhiro Furukawa, Tsunaki Sawada, Keiko Maeda, Takeshi Yamamura, Takuya Ishikawa, Eizaburo Ohno, Masanao Nakamura, Hiroki Kawashima, Masato Nakaguro, Yuki Okumura, Yoshiki Hirooka, Mitsuhiro Fujishiro
OBJECTIVES: Accurate diagnosis of invasion depth is important for reliable treatment of esophageal squamous cell carcinoma, but it is limited to the muscularis mucosae to slight submucosal invasion (MM/SM1). The diagnostic accuracy of invasion depth is unsatisfactory and remains to be improved. We aimed to investigate the association between the color of the superficial esophageal squamous cell carcinoma and invasion depth using linked color imaging (LCI) under light-emitting diode (LED) light sources...
June 20, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31220368/superiority-of-endoscopic-interventions-over-minimally-invasive-surgery-for-infected-necrotizing-pancreatitis-a-meta-analysis-of-randomized-trials
#22
REVIEW
Ji Young Bang, C Mel Wilcox, Juan Pablo Arnoletti, Shyam Varadarajulu
BACKGROUND AND AIM: Infected necrotizing pancreatitis is a highly morbid disease managed by minimally invasive surgical (MIS) or endoscopy-based interventions. This meta-analysis compared the clinical outcomes of patients treated using either approach. METHODS: MEDLINE and EMBASE databases were searched to identify all randomized trials that compared MIS and endoscopy-based interventions for treatment of infected necrotizing pancreatitis. Main outcome measure was to compare rates of complications or death during 6-month follow-up...
June 20, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31219200/value-of-endoscopy-for-early-diagnosis-of-pancreatic-carcinoma
#23
REVIEW
Yasunobu Yamashita, Masayuki Kitano, Reiko Ashida
Despite recent advances in diagnostic imaging modalities, most cases of pancreatic carcinoma are discovered at an unresectable stage, resulting in poor prognosis. Early diagnosis is essential to ensure curative treatment and improve the prognosis of pancreatic carcinoma. Imaging modalities with high diagnostic ability are necessary for the early diagnosis of pancreatic carcinoma. Endoscopic ultrasonography is a reliable and efficient diagnostic modality because it provides superior spatial resolution, and should be incorporated into screening programs in patients at high risk of pancreatic carcinoma...
June 20, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31211893/-technically-difficult-colonoscope-insertion-tips-and-tricks
#24
Eduardo Rodrigues-Pinto, Joel Ferreira-Silva, Guilherme Macedo, Douglas K Rex
Cecal intubation is a critical aspect of effective, complete colonoscopy. Difficult colonoscopy is most often considered as one in which it is challenging or impossible to reach the cecum. It may be a common occurrence due to patient and/or endoscopist factors. Incomplete colonoscopies should be avoided, since patients in this context present an important prevalence of lesions that escape examination. The approach to successful cecal intubation should depend on characterization of the problem as redundant colon or difficult sigmoid colon...
June 18, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31209922/successful-endoscopic-mucosal-resection-with-over-the-scope-clip-for-gastric-cancer-of-fundic-gland-type-apparently-inappropriate-for-endoscopic-submucosal-dissection
#25
Tomoaki Tashima, Kouichi Nonaka, Shomei Ryozawa
No abstract text is available yet for this article.
June 17, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31206847/preoperative-indicators-of-misdiagnosis-in-invasion-depth-staging-of-esophageal-cancer-pitfalls-of-magnifying-endoscopy-with-narrow-band-imaging
#26
Hidenori Kimura, Masao Yoshida, Masaki Tanaka, Noboru Kawata, Naomi Kakushima, Kohei Takizawa, Yoshihiro Kishida, Kenichiro Imai, Sayo Ito, Kinichi Hotta, Hirotoshi Ishiwatari, Hiroyuki Matsubayashi, Hiroyuki Ono
OBJECTIVES: The Japan Esophageal Society classification has been widely applied for predicting the invasion depth of superficial esophageal squamous cell carcinomas (SESCCs). Although Type B2 of the classification clinically corresponds to SESCCs with muscularis mucosa or slight submucosal invasion (MM/SM1), diagnostic yield based on Type B2 is insufficient. This study aimed to investigate risk factors for misdiagnosis in preoperative invasion depth staging. METHODS: We included a total of 104 SESCCs in which Type B2 was observed by magnifying endoscopy...
June 17, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31177568/a-case-of-pedunculated-duodenal-neuroendocrine-tumor
#27
Masaki Katsurahara, Hiroshi Miura, Noriyuki Horiki
A 68-year-old man with a medical history of chronic pancreatitis underwent computed tomography (CT) at our hospital for a detailed examination of his pancreas. Incidentally, the CT revealed an enhanced mass in the third portion of duodenum. An upper endoscopy analysis found a pedunculated polyp in the third portion of duodenum, the long stalk of which arose from the wall of the second portion (Fig. 1(a) (b)). The polyp head was slightly lobulated and the surface was completely covered with normal duodenal mucosa, suggesting a submucosal tumor (Fig...
June 8, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31177563/the-subclassification-of-type-b2-vessels-according-to-the-magnifying-endoscopic-classification-of-the-japan-esophageal-society
#28
Ippei Tanaka, Dai Hirasawa, Hiroaki Saitou, Tomoki Matsuda, Masato Nakahori, Yuki Maeda, Toru Okuzono, Kenjiro Suzuki, Kimihiro Igarashi, Yoshitaka Nawata, Satoshi Ito, Syuuhei Unno, Akimichi Chonan
OBJECTIVES: Guidelines for magnified endoscopic diagnosis of esophageal squamous cell carcinoma (SCC) have been proposed by the Japan Esophageal Society. Type B1, B2, and B3 reflect increasing tumor invasion depths (within mucosal epithelium or into lamina propria mucosa [T1a-EP/LPM], into muscularis mucosa or superficial invasion into submucosa [T1a-MM/T1b-SM1], and into submucosa [T1b-SM2], respectively). The diagnostic accuracy of type B1 and B3 is high, but accuracy of type B2 is low...
June 8, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31166630/successful-endoscopic-en-bloc-full-thickness-and-complete-resection-for-two-adjacent-rectal-neuroendocrine-tumors
#29
Tomoaki Tashima, Kouichi Nonaka, Shomei Ryozawa
Endoscopic submucosal resection with band ligation (ESMR-L)1 and endoscopic submucosal dissection (ESD)2 are generally considered to be good treatment choices for small rectal neuroendocrine tumors (NETs). When comparisons were made between ESMR-L and ESD applied to NET, it was reported that the vertical safety margin was significantly larger in ESMR-L than in ESD3 , and that the histological complete resection rate in ESMR-L was much higher than that in ESD4 . However, one limitation is that ESMR-L can only be performed on lesions whose diameter is 10 mm or less...
June 5, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31166046/safety-and-efficacy-of-endoscopic-ultrasound-guided-fine-needle-aspiration-for-pancreatic-masses-a-prospective-multicenter-study
#30
Shigetaka Yoshinaga, Takao Itoi, Kenji Yamao, Ichiro Yasuda, Atsushi Irisawa, Hiroshi Imaoka, Takayoshi Tsuchiya, Shinpei Doi, Akane Yamabe, Yoshitaka Murakami, Hideki Ishikawa, Yutaka Saito
OBJECTIVES: Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) for solid pancreatic lesions has high diagnostic yield. However, few prospective multicenter studies have been performed. We performed a prospective cohort study to evaluate the efficacy and safety of EUS-FNA for diagnosis of solid pancreatic lesions. METHODS: This prospective cohort study involved five hospitals in Japan. The primary outcome was sensitivity of EUS-FNA for diagnosing malignant lesions...
June 5, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31165527/eus-guided-versus-ercp-guided-biliary-drainage-for-primary-treatment-of-distal-malignant-biliary-obstruction-a-systematic-review-and-meta-analysis
#31
REVIEW
Zheng Jin, Yaping Wei, Huapeng Lin, Jing Yang, Hangbin Jin, Sisi Shen, Xiaofeng Zhang
OBJECTIVES: Current evidence supporting the utility of endoscopic ultrasound-guided biliary drainage (EUS-BD) as primary treatment for distal malignant biliary obstruction (MBO) is limited. We conducted a meta-analysis to compare the performance of EUS-BD and endoscopic retrograde cholangiopancreatography-guided biliary drainage (ERCP-BD) as primary palliation of distal MBO. METHODS: We searched several databases for comparative studies evaluating EUS-BD vs. ERCP-BD in primary drainage of distal MBO up to 28 February 2019...
June 5, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31152615/thoracoscopic-and-endoscopic-cooperative-surgery-for-a-giant-esophageal-leiomyoma
#32
Tao Dong, Lili Zhao, Zhining Fan
A 55-year-old man presented to our department due to dysphagia. Esophagogastroduodenoscopy revealed a submucosal tumor (SMT) at 28-33 cm from the incisors which occupied approximately 2/3 circumference of esophagus. Endoscopic ultrasound showed a large hypoechoic tumor originating from the muscularis propria layer (Fig 1). Given the characteristics of the tumor, either endoscopic resection or thoracoscopic enucleation could be challenging. With the informed consent from the patient, thoracoscopic and endoscopic cooperative surgery (TECS) was applied for this case...
June 1, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31148257/transluminal-common-bile-duct-stone-removal-under-digital-cholangioscopic-guidance
#33
Takeshi Ogura, Shinya Fukunishi, Kazuhide Higuchi
Common bile duct stones (CBDs) are usually removed under endoscopic retrograde cholangiopancreatography (ERCP) guidance [1]. However, if the patient shows complication of duodenal obstruction due to malignant tumor, or surgical anatomy, ERCP may prove challenging. EUS-guided biliary access has recently been developed for not only malignant biliary obstruction but also benign biliary disease including CBDs [2, 3]. This article is protected by copyright. All rights reserved.
May 31, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31120583/measurement-bias-of-colorectal-polyp-size-an-analysis-of-the-japan-endoscopy-database
#34
Takahiro Utsumi, Takahiro Horimatsu, Hiroshi Seno
The proposed management paradigm of colorectal polyps, including endoscopic surveillance intervals, depends on the size as well as qualitative assessment of colorectal polyps.1, 2 Although endoscopists are asked to assess the polyp size accurately, some studies have demonstrated a bias in the measurement of colorectal polyp size at colonoscopy.3 We evaluated the distribution of colorectal polyp size by endoscopic estimation and investigated the presence of measurement bias in Japan. This article is protected by copyright...
May 23, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31120560/clinical-significance-of-evaluating-endoscopic-response-to-neoadjuvant-chemotherapy-in-esophageal-squamous-cell-carcinoma
#35
Yohei Nagai, Naoya Yoshida, Yoshifumi Baba, Kazuto Harada, Katsunori Imai, Masaaki Iwatsuki, Ryuichi Karashima, Yuki Koga, Daichi Nomoto, Kazuo Okadome, Takatsugu Ishimoto, Yu Imamura, Masayuki Watanabe, Hideo Baba
OBJECTIVES: Clinical significance of endoscopic response (ER) after neoadjuvant chemotherapy (NAC) for esophageal cancer has not been fully understood. Thus, this study aimed to investigate the association between ER to NAC and its clinicopathological outcomes in patients with esophageal squamous cell carcinoma (ESCC). METHODS: In total, 141 patients who underwent NAC and subsequent esophagectomy for ESCC were included. The ER to NAC was retrospectively evaluated based on macroscopic findings of the primary tumor, which was classified into three categories: endoscopic no response (eNR), endoscopic partial response (ePR), and endoscopic good response (eGR)...
May 23, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31120558/efficacy-of-scissor-type-knives-for-endoscopic-mucosal-dissection-of-superficial-gastrointestinal-neoplasms
#36
REVIEW
Naohisa Yoshida, Osamu Dohi, Ken Inoue, Ritsu Yasuda, Tsugitaka Ishida, Ryohei Hirose, Yuji Naito, Kiyoshi Ogiso, Takaaki Murakami, Yukiko Morinaga, Mitsuo Kishimoto, Yutaka Inada, Yoshito Itoh, Takuji Gotoda
Endoscopic submucosal dissection (ESD) for superficial gastrointestinal neoplasms has become widespread. However, certain aspects of the procedure remain difficult to manage, such as intraoperative bleeding and perforation. There are two kinds of scissor-type knife: the Clutch Cutter (Fujifilm Co., Tokyo, Japan) and the SB knife (Sumitomo Bakelite Co., Tokyo, Japan). These knives have different features from other types of ESD knives and enable the performance of all ESD procedures, including mucosal incision, submucosal dissection, and hemostasis...
May 23, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31120163/a-combined-side-by-side-and-stent-in-stent-method-for-triple-metal-stenting-in-patients-with-malignant-hilar-biliary-obstruction
#37
Tadahisa Inoue, Mayu Ibusuki, Rena Kitano, Yuji Kobayashi, Tomohiko Ohashi, Yukiomi Nakade, Yoshio Sumida, Kiyoaki Ito, Haruhisa Nakao, Masashi Yoneda
BACKGROUND: Endoscopic placement of 3 branched self-expandable metallic stents (SEMSs) for high-grade malignant hilar biliary obstructions (MHBOs) is technically challenging. We examined the feasibility and efficacy of a novel stenting method combining side-by-side and stent-in-stent (SBSIS) placement for MHBO. METHODS: Between January 2015 and December 2018, 27 consecutive patients with high-grade MHBO underwent SBSIS placement. We evaluated the technical success, functional success, recurrent biliary obstruction (RBO), adverse events other than RBO, and reintervention success rates associated with SBSIS placement...
May 23, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31120161/skill-up-study-of-systemic-endoscopic-examination-technique-using-narrow-band-imaging-of-the-head-and-neck-region-of-patients-with-esophageal-squamous-cell-carcinoma-a-prospective-multicenter-study
#38
Naoki Okamoto, Hiroyuki Morimoto, Yoichi Yamamoto, Keisuke Kanda, Rino Nankinzan, Shingo Kasamatsu, Shigenobu Yoshimura, Motoyasu Kan, Akira Nakano, Shosuke Hosaka, Yuuka Watanabe, Kyoko Arahata, Yuzo Toyama, Ayumi Okamura, Taketo Yamaguchi, Tomonori Yano
OBJECTIVE: To evaluate the usefulness of a training program on endoscopic head and neck surveillance for beginner endoscopists. METHODS: This prospective multicenter study included 13 beginner endoscopists from 10 institutions who received training in systematic observation techniques and diagnostic criteria, and the training involved hands-on learning. Between May 2016 and February 2017, enrolled patients with current or previously diagnosed esophageal squamous cell carcinomas underwent head and neck surveillance using narrow band imaging (NBI) endoscopy, and the histologically confirmed head and neck squamous cell carcinoma (HNSCC) detection rates, endoscopic image quality, and examination times were compared before (group A) and after (group B) the training program...
May 23, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31102536/budesonide-foam-for-prevention-of-rectal-stricture-following-endoscopic-submucosal-dissection
#39
Shuichi Miyamoto, Hirohito Naruse, Naoya Sakamoto
Endoscopic submucosal dissection (ESD) for removal of gastrointestinal tumors is a conventional technique; however, ESD has been reported to result in complications such as stricture and delayed bleeding. In the case of colorectal ESD, resection of >90% of the circumference is a significant factor related to stricture, and the median duration until the diagnosis of stricture after ESD is 1 month (range, 0.5-2.0 months).1 This article is protected by copyright. All rights reserved.
May 18, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://read.qxmd.com/read/31090965/endoscopic-ultrasonography-and-small-bowel-endoscopy-present-and-future
#40
REVIEW
Gian Eugenio Tontini, Guido Manfredi, Stefania Orlando, Helmut Neumann, Maurizio Vecchi, Elisabetta Buscarini, Luca Elli
Over the last decade, impressive technological advances have occurred in ultrasonography and small-bowel endoscopy. Nowadays, endoscopic ultrasonography is an essential diagnostic tool and a therapeutic weapon for pancreatobiliary disorders. Capsule endoscopy and device-assisted enteroscopy have quickly become the reference standard for the diagnosis of small-bowel luminal diseases, thereby leading to radical changes in diagnostic and therapeutic pathways. We herein provide an up-to-date overview of the latest advances in endoscopic ultrasonography and small-bowel endoscopy, focusing on the emerging paradigms and technological innovations that might improve clinical practice in the near future...
May 15, 2019: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
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