Month: May 2020

Pathology definitions and resection strategies for early colorectal neoplasia

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Post written by Makoto Nishimura, MD, from the Gastroenterology, Hepatology and Nutrition Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA. Well-known discrepancies exist between the East and West classifications of colorectal neoplasia. For example, ‘intra-mucosal carcinoma’ in Japan is recognized as ‘high-grade dysplasia’ in the U.S. To resolve these interobserver discrepancies between …

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A novel clip-band traction device to facilitate colorectal ESD and defect closure

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Post written by Hiroyuki Aihara, MD, PhD, from the Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women’s Hospital, Boston, Massachusetts, USA. Adequate visualization of the submucosal dissection plane is critically important for both safety and efficacy in endoscopic submucosal dissection (ESD). Recently, a novel clip-band traction device was introduced to the U.S. market (Elastic …

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Peroral endoscopic myotomy for achalasia: a prospective multicenter study in Japan

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Post written by Hironari Shiwaku, MD, PhD, from the Department of Gastroenterological Surgery, Fukuoka University Faculty of Medicine, Fukuoka, Japan. Peroral endoscopic myotomy (POEM) is a standard treatment for achalasia. The reported efficacy of POEM in the prospective multicenter study by Dr Von Renteln's group was 82%. However, a retrospective multicenter study in Japan reported …

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Peroral endoscopic myectomy: a novel thought to reduce recurrence after previous failed myotomy

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Post written by Zaheer Nabi, MD, DNB, from the Asian Institute of Gastroenterology, Hyderabad, India. This video case describes a novel technique of peroral endoscopic myotomy (POEM) in a patient with recurrence of symptoms after Heller’s myotomy. In this case, we performed POEM by posterior route ie, 5 o’clock. After completing myotomy, we performed a …

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Wire-guided and endoscopic-guided transesophageal echocardiographic probe insertion

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Post written by Shou-jiang Tang, MD, from the Division of Digestive Diseases and Division of Cardiology, Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi, USA. We report a 75 year-old-man with a large symptomatic Zenker's diverticulum (ZD, 4-5 cm in length) who also needed a Transesophageal echocardiography (TEE). We first performed a flexible …

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