Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Mamoru Tokunaga"'
Autor:
Hidehiro Kamezaki, Hiroshi Yoshikawa, Terunao Iwanaga, Mamoru Tokunaga, Takahiro Maeda, Junichi Senoo, Hiroshi Ohyama, Naoya Kato
Publikováno v:
DEN Open, Vol 4, Iss 1, Pp n/a-n/a (2024)
Abstract Double‐pigtail stents are commonly used for drainage in cholangitis to prevent stent migration. We report a case in which a double pigtail stent had migrated proximally into the bile duct and was successfully retrieved after endoscopic pap
Externí odkaz:
https://doaj.org/article/c66b5e0a21634ac78f93419de205ff4b
Autor:
Yuya Yokoyama, Yuki Ohta, Sadahisa Ogasawara, Jun Kato, Ryoko Arai, Hirotaka Koseki, Masaya Saito, Tatsuya Kaneko, Mamoru Tokunaga, Hirotaka Oura, Tsubasa Oike, Yushi Imai, Kengo Kanayama, Naoki Akizue, Junichiro Kumagai, Takashi Taida, Kenichiro Okimoto, Keiko Saito, Yoshihiko Ooka, Tomoaki Matsumura, Tomoo Nakagawa, Makoto Arai, Tatsuro Katsuno, Yoshihiro Fukuda, Yoshio Kitsukawa, Naoya Kato
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract To gain a better understanding of the effects of biologics, we evaluated clinical outcomes in patients with moderate to severe exacerbations of ulcerative colitis (UC). This retrospective, multicenter study retrieved the entire clinical cour
Externí odkaz:
https://doaj.org/article/e3499d5d45394bd896a8cfce785283f1
Autor:
Mamoru Tokunaga, Kenichiro Okimoto, Naoki Akizue, Kentaro Ishikawa, Yosuke Hirotsu, Kenji Amemiya, Masayuki Ota, Keisuke Matsusaka, Motoi Nishimura, Kazuyuki Matsushita, Tsubasa Ishikawa, Ariki Nagashima, Wataru Shiratori, Tatsuya Kaneko, Hirotaka Oura, Kengo Kanayama, Yuki Ohta, Takashi Taida, Keiko Saito, Tomoaki Matsumura, Tetsuhiro Chiba, Hitoshi Mochizuki, Makoto Arai, Jun Kato, Jun-ichiro Ikeda, Masao Omata, Naoya Kato
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract The genetic characteristics of Barrett’s esophagus (BE) and esophageal adenocarcinoma (EAC) in the Japanese population is unclear. This study aims to investigate the genetic characteristics from nondysplastic BE (NDBE) to early EAC in Japa
Externí odkaz:
https://doaj.org/article/e213bb3c99c349dcbcdcbcd125e3cbfb
Autor:
Naoki Akizue, Kenichiro Okimoto, Makoto Arai, Yosuke Hirotsu, Kenji Amemiya, Hirotaka Oura, Tatsuya Kaneko, Mamoru Tokunaga, Kentaro Ishikawa, Yuki Ohta, Takashi Taida, Keiko Saito, Daisuke Maruoka, Tomoaki Matsumura, Tomoo Nakagawa, Motoi Nishimura, Tetsuhiro Chiba, Kazuyuki Matsushita, Hitoshi Mochizuki, Osamu Yokosuka, Masao Omata, Naoya Kato
Publikováno v:
Cancer Medicine, Vol 10, Iss 11, Pp 3545-3555 (2021)
Abstract Somatic mutations including the background mucosa in patients with Lugol‐voiding lesions (LVLs) are still not well known. The aim of this study was to evaluate the somatic mutations of the background mucosa in patients with LVLs (Squamous
Externí odkaz:
https://doaj.org/article/25119e7086a74f44bbf7ce3b4a073458
Autor:
Tsubasa Ishikawa, Tomoaki Matsumura, Kenichiro Okimoto, Ariki Nagashima, Wataru Shiratori, Tatsuya Kaneko, Hirotaka Oura, Mamoru Tokunaga, Naoki Akizue, Yuki Ohta, Keiko Saito, Makoto Arai, Jun Kato, Naoya Kato
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
Abstract In 2020, Olympus Medical Systems Corporation introduced the Texture and Color Enhancement Imaging (TXI) as a new image-enhanced endoscopy. This study aimed to evaluate the visibility of neoplasms and mucosal atrophy in the upper gastrointest
Externí odkaz:
https://doaj.org/article/66f01db113a04f1a831eb73af78718cf
Autor:
Mamoru Tokunaga, Tomoaki Matsumura, Kentaro Ishikawa, Tatsuya Kaneko, Hirotaka Oura, Tsubasa Ishikawa, Ariki Nagashima, Wataru Shiratori, Kenichiro Okimoto, Naoki Akizue, Daisuke Maruoka, Yuki Ohta, Keiko Saito, Tomoo Nakagawa, Tetsuhiro Chiba, Makoto Arai, Jun Kato, Naoya Kato
Publikováno v:
Gastroenterology Research and Practice, Vol 2020 (2020)
Background. The present study aimed to evaluate the efficacy of linked color imaging (LCI) in diagnosing Barrett’s esophagus (BE) and esophageal adenocarcinoma (EAC). Methods. A total of 112 and 12 consecutive patients with BE and EAC were analyzed
Externí odkaz:
https://doaj.org/article/115b3a2c76b94a17bdbc184f198391a4
Autor:
Yuki Ohta, Ariki Nagashima, Jun Kato, Tomoaki Matsumura, Daisuke Maruoka, Kenichiro Okimoto, Tatsuya Kaneko, Hirotaka Oura, Mamoru Tokunaga, Keiko Saito, Takashi Taida, Kengo Kanayama, Naoki Akizue, Wataru Shiratori, Makoto Arai, Tsubasa Ishikawa, Naoya Kato
Publikováno v:
Journal of Gastroenterology and Hepatology. 37:75-80
BACKGROUND AND AIM The effectiveness of cold snare polypectomy (CSP) for superficial non-ampullary duodenal epithelial tumors (SNADETs) regarding long-term outcomes is not fully clarified. This study aimed to investigate long-term outcomes of CSP for
Autor:
Hirotaka Oura, Mamoru Tokunaga, Ariki Nagashima, Motoi Nishimura, Wataru Shiratori, Tatsuya Kaneko, Masao Omata, Yuki Ohta, Yosuke Hirotsu, Takashi Taida, Kengo Kanayama, Naoki Akizue, Kentaro Ishikawa, Jun Kato, Jun-ichiro Ikeda, Keiko Saito, Hitoshi Mochizuki, Naoya Kato, Tsubasa Ishikawa, Kenichiro Okimoto, Masayuki Ota, Tomoaki Matsumura, Tetsuhiro Chiba, Kenji Amemiya, Kazuyuki Matsushita, Makoto Arai, Keisuke Matsusaka
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Scientific Reports
Scientific Reports
The genetic characteristics of Barrett’s esophagus (BE) and esophageal adenocarcinoma (EAC) in the Japanese population is unclear. This study aims to investigate the genetic characteristics from nondysplastic BE (NDBE) to early EAC in Japan. Clinic
Autor:
Tomoaki Matsumura, Naoki Akizue, Kentaro Ishikawa, Tetsuhiro Chiba, Kazuyuki Matsushita, Osamu Yokosuka, Hitoshi Mochizuki, Tomoo Nakagawa, Hirotaka Oura, Keiko Saito, Tatsuya Kaneko, Naoya Kato, Yosuke Hirotsu, Masao Omata, Yuki Ohta, Motoi Nishimura, Mamoru Tokunaga, Kenji Amemiya, Takashi Taida, Makoto Arai, Daisuke Maruoka, Kenichiro Okimoto
Publikováno v:
Cancer Medicine, Vol 10, Iss 11, Pp 3545-3555 (2021)
Cancer Medicine
Cancer Medicine
Somatic mutations including the background mucosa in patients with Lugol‐voiding lesions (LVLs) are still not well known. The aim of this study was to evaluate the somatic mutations of the background mucosa in patients with LVLs (Squamous cell carc
Autor:
Naoya Kato, Tomoaki Matsumura, Ryota Saiki, Jun Kato, Hirotaka Oura, Makoto Arai, Kenichiro Okimoto, Rino Nankinzan, Takuto Suzuki, Mamoru Tokunaga, Naoki Akizue, Tatsuya Kaneko, Mai Fujie, Hirai Shun
Publikováno v:
Gastrointestinal Endoscopy. 93:647-653
Endoscopic treatment is recommended for low-grade dysplasia (LGD), high-grade dysplasia (HGD), and colorectal cancer (CRC) with submucosal (SM) invasion 1000 μm. However, diagnosis of invasion depth requires experience and is often difficult. This s