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Peroral endoscopic myotomy (POEM) for esophageal achalasia.
BACKGROUND Peroral endoscopic myotomy (POEM) was developed by our group to provide a less invasive permanent treatment for esophageal achalasia. PATIENTS AND METHODS POEM was performed in 17Expand
Diagnosis of colorectal tumorous lesions by magnifying endoscopy.
BACKGROUND The magnifying colonoscope allows 100-fold magnified viewing of the colonic surface. METHODS We examined 2050 colorectal tumorous lesions by magnifying endoscopy, stereomicroscopy, andExpand
Colorectal tumours and pit pattern.
AIMS--To investigate the morphological and histopathological associations between an individual pit seen on stereomicroscopy or magnifying colonoscopy and an individual crypt seen in histologicalExpand
JGES guidelines for colorectal endoscopic submucosal dissection/endoscopic mucosal resection
Colorectal endoscopic submucosal dissection (ESD) has become common in recent years. Suitable lesions for endoscopic treatment include not only early colorectal carcinomas but also many types ofExpand
Nonpolypoid neoplastic lesions of the colorectal mucosa.
Colonoscopic Diagnosis and Management of Nonpolypoid Early Colorectal Cancer
Nonpolypoid colorectal neoplasms are grossly classified into three groups: slightly elevated (small flat adenomas), laterally spreading, and depressed. Flat adenomas are not invasive until they areExpand
Per-Oral Endoscopic Myotomy: A Series of 500 Patients.
BACKGROUND After the first case of per-oral endoscopic myotomy (POEM) at our institution in 2008, the procedure was quickly accepted as an alternative to surgical myotomy and is now established as anExpand
Endoscopic Diagnosis and Treatment of Early Colorectal Cancer
Abstract. Colorectal adenomas and early cancers are grossly classified into three groups: protruded, flush or slightly elevated (so-called flat adenomas), and depressed. Protruded lesions and flatExpand
Submucosal endoscopic tumor resection for subepithelial tumors in the esophagus and cardia.
BACKGROUND AND STUDY AIMS Resection of submucosal tumors by means of endoscopy has been reported using a variety of techniques, but cannot be performed safely in tumors originating from theExpand