Publications by authors named "Shozo Osera"

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Carcinoma in situ of the pancreas detected by progressive focal pancreatic parenchymal atrophy without main pancreatic ductal change.
Shigeru Nishiyama, Takeshi Hisa, Shogo Sakata, Yui Ito, Akiharu Kudo, Shozo Osera

Clin J Gastroenterol· August 2025

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Pancreatic ductal adenocarcinoma originating from focal pancreatic parenchymal atrophy demonstrated by transabdominal ultrasonography.
Shogo Sakata, Takeshi Hisa, Yui Ito, Shigeru Nishiyama, Akiharu Kudo, Shozo Osera

Clin J Gastroenterol· August 2025

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Use of a short educational video to improve the accuracy of colorectal polyp morphology assessment: A multicenter randomized controlled study.
Takahiro Utsumi, Takahiro Horimatsu, Yoshitaka Nishikawa, Akira Teramoto, Daizen Hirata, Shozo Osera

DEN Open· April 2025

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Utility and safety of endoscopic papillary balloon dilation with small-incision sphincterotomy for small bile duct stones: A randomized controlled trial.
Yuki Ishida, Takeshi Hisa, Ryusuke Matsumoto, Shigeru Nishiyama, Akiharu Kudo, Shozo Osera

J Hepatobiliary Pancreat Sci· February 2025

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Endoscopic Removal of Premalignant Lesions Reduces Long-Term Colorectal Cancer Risk: Results From the Japan Polyp Study.
Yasushi Sano, Kinichi Hotta, Takahisa Matsuda, Yoshitaka Murakami, Takahiro Fujii, Shozo Osera

Clin Gastroenterol Hepatol· March 2024

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Intraductal papillary neoplasm of the bile duct with metachronous development in the downstream bile duct after radical resection.
Taito Ito, Takeshi Hisa, Yui Ito, Akiharu Kudo, Takahiro Yamada, Shozo Osera

Clin J Gastroenterol· February 2024

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Gel immersion echoendoscope-guided puncture before radial incision and cutting for complete rectal anastomotic obstruction.
Shozo Osera, Takeshi Hisa, Gaku Akiyama, Akiharu Kudo, Takahiro Yamada

Endoscopy· December 2023

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Ultrasonographic Features of Nonneoplastic Protrusions in Pancreatic Cysts by Contrast-Enhanced Endoscopic Ultrasound.
Takeshi Hisa, Akiharu Kudo, Takehiro Shimizu, Shigeru Nishiyama, Takahiro Yamada, Shozo Osera

Pancreas· July 2023

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Successful radial incision and cutting for complete anastomotic obstruction after intersphincteric resection - a video vignette.
Shozo Osera, Gaku Akiyama, Akihisa Tomori, Takahiro Yamada, Hideki Fukushima

Colorectal Dis· February 2023

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Feasibility of endoscopic submucosal dissection for cecal tumors involving the ileocecal valve or appendiceal orifice.
Kinichi Hotta, Shozo Osera, Kei Shinoki, Kenichiro Imai, Sayo Ito

J Gastroenterol Hepatol· August 2022

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Location, morphology and invasiveness of lateral spreading tumors in the colorectum differ between two large cohorts from an eastern and western country.
Carlos Guarner-Argente, Hiroaki Ikematsu, Shozo Osera, Maria Fraile, Berta Ibañez

Gastroenterol Hepatol· May 2022

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Duodenal ulcers caused by secondary aortoduodenal fistula.
Shozo Osera, Hirokazu Niitsu, Akihisa Tomori

Dig Endosc· March 2022

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Factors associated with inaccurate size estimation of colorectal polyps: A multicenter cross-sectional study.
Takahiro Utsumi, Takahiro Horimatsu, Yoshitaka Nishikawa, Akira Teramoto, Daizen Hirata, Shozo Osera

J Gastroenterol Hepatol· August 2021

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A resected case of focal autoimmune pancreatitis with pancreatic duct wall thickening representing periductal lymphoplasmacytic infiltrate.
Keita Ishii, Takeshi Hisa, Akiharu Kudo, Shozo Osera, Tomoaki Shinohara

Clin J Gastroenterol· August 2021

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An unusual reversible color change in a gastric lesion during real-time endoscopy.
Shozo Osera, Akihisa Tomori, Aiko Arakawa, Satoshi Shiozawa, Takeshi Hisa

Clin Case Rep· December 2020

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Successful endoscopic resection using a bipolar snare for an adenoma overlying a transverse colonic lipoma.
Shozo Osera, Tomoaki Shinohara, Akihisa Tomori, Tamaki Momoi, Hideki Fukushima

Endoscopy· October 2020

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Safety of endoscopic procedures with monopolar versus bipolar instruments in an ex vivo porcine model.
Kensuke Shinmura, Hiroaki Ikematsu, Motohiro Kojima, Hiroshi Nakamura, Shozo Osera

BMC Gastroenterol· January 2020

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Visual assessment of colorectal flat and depressed lesions by using narrow band imaging.
Hiroshi Nakamura, Hiroaki Ikematsu, Shozo Osera, Renma Ito, Daiki Sato

Endosc Int Open· December 2017

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Endoscopic treatment outcomes of laterally spreading tumors with a skirt (with video).
Shozo Osera, Hiroaki Ikematsu, Satoshi Fujii, Keisuke Hori, Yasuhiro Oono

Gastrointest Endosc· September 2017

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Detectability of colorectal neoplastic lesions using a novel endoscopic system with blue laser imaging: a multicenter randomized controlled trial.
Hiroaki Ikematsu, Taku Sakamoto, Kazutomo Togashi, Naohisa Yoshida, Takashi Hisabe, Shozo Osera

Gastrointest Endosc· August 2017

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Risk factors for intraoperative perforation during endoscopic submucosal dissection of superficial esophageal squamous cell carcinoma.
Masaaki Noguchi, Tomonori Yano, Tomoji Kato, Tomohiro Kadota, Maomi Imajoh, Shozo Osera

World J Gastroenterol· January 2017

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Prophylactic steroid administration for strictures after endoscopic resection of large superficial esophageal squamous cell carcinoma.
Tomohiro Kadota, Tomonori Yano, Tomoji Kato, Maomi Imajoh, Masaaki Noguchi, Shozo Osera

Endosc Int Open· December 2016

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Endoscopic submucosal resection with a ligation device for the treatment of duodenal neuroendocrine tumors.
Shozo Osera, Yasuhiro Oono, Hiroaki Ikematsu, Tomonori Yano, Kazuhiro Kaneko

Surg Endosc· September 2016

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Phase I study of palbociclib, a cyclin-dependent kinase 4/6 inhibitor, in Japanese patients.
Kenji Tamura, Hirofumi Mukai, Yoichi Naito, Kan Yonemori, Makoto Kodaira, Shozo Osera

Cancer Sci· June 2016

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Clinicopathological, endoscopic, and molecular characteristics of the "skirt" - a new entity of lesions at the margin of laterally spreading tumors.
Shozo Osera, Satoshi Fujii, Hiroaki Ikematsu, Hideaki Miyamoto, Yasuhiro Oono

Endoscopy· May 2016

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