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Ryoju Negishi on Muck Rack

Ryoju Negishi

As seen in: Journal of Medical Case Reports, VideoGIE
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Articles

Endoscopic submucosal dissection of recurrent, circumferential, distal rectal tumor with severe submucosal fibrosis using multiple clip-line tractions

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By Darshan Parekh, Yohei Minato, Ken Ohata, Ryoju Negishi
| VideoGIE Verified
Video...
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Successful endoscopic submucosal dissection for a tumor located completely within a colonic diverticulum after inversion of the diverticulum using a traction device

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By Takashi Muramoto, Ken Ohata, Yohei Minato, Ryoju Negishi
| VideoGIE Verified
Video Abbreviation: ESD (endoscopic submucosal dissection) A 59-year-old man was diagnosed as having a flat-elevated tumor measuring 10 mm in diameter in the colon; the tumor was completely located within a colonic diverticulum in the hepatic flexure (Fig. 1A to C). Based on endoscopic evaluation, we determined there was a good chance of obtaining curative resection by endoscopic means.
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