Zobrazeno 1 - 10
of 221
pro vyhledávání: '"Takemasa Hayashi"'
Autor:
Taishi Okumura, Takemasa Hayashi, Shin‐ei Kudo, Kenichi Mochizuki, Masahiro Abe, Tatsuya Sakurai, Yuta Kouyama, Yushi Ogawa, Yasuharu Maeda, Naoya Toyoshima, Masashi Misawa, Toyoki Kudo, Kunihiko Wakamura, Toshiyuki Baba, Fumio Ishida, Hideyuki Miyachi
Publikováno v:
DEN Open, Vol 4, Iss 1, Pp n/a-n/a (2024)
Abstract Objectives Endoscopic submucosal dissection (ESD) is an effective procedure for the en bloc resection of colorectal neoplasms. However, risk factors for local recurrence after ESD have not been identified. This study aimed to evaluate such r
Externí odkaz:
https://doaj.org/article/4e3787e976fb4d94a0591114af02877f
Autor:
Kenichi Suzuki, Shin‐ei Kudo, Toyoki Kudo, Masashi Misawa, Yuichi Mori, Katsuro Ichimasa, Yasuharu Maeda, Takemasa Hayashi, Kunihiko Wakamura, Toshiyuki Baba, Fumio Ishda, Shigeharu Hamatani, Haruhiro Inoue, Kazunori Yokoyama, Hideyuki Miyachi
Publikováno v:
DEN Open, Vol 4, Iss 1, Pp n/a-n/a (2024)
Abstract Objectives A “resect‐and‐discard” strategy has been proposed for diminutive adenomas in the colorectum. However, this strategy is sometimes difficult to implement because of the lack of confidence in differentiating low‐grade adeno
Externí odkaz:
https://doaj.org/article/54972675d1e3487c8a46694ffbc679ae
Autor:
Osamu Shiina, Shin‐ei Kudo, Katsuro Ichimasa, Yuki Takashina, Yuta Kouyama, Kenichi Mochizuki, Yuriko Morita, Takanori Kuroki, Shun Kato, Hiroki Nakamura, Shingo Matsudaira, Masashi Misawa, Noriyuki Ogata, Takemasa Hayashi, Kunihiko Wakamura, Naruhiko Sawada, Toshiyuki Baba, Tetsuo Nemoto, Fumio Ishida, Hideyuki Miyachi
Publikováno v:
DEN Open, Vol 4, Iss 1, Pp n/a-n/a (2024)
Abstract Objectives Japanese guidelines include high‐grade (poorly differentiated) tumors as a risk factor for lymph node metastasis (LNM) in T1 colorectal cancer (CRC). However, whether the grading is based on the least or most predominant compone
Externí odkaz:
https://doaj.org/article/5dc444d091734439a6acbc79d67549e2
Autor:
Katsuro Ichimasa, Shin-ei Kudo, Yuta Kouyama, Kenichi Mochizuki, Yuki Takashina, Masashi Misawa, Yuichi Mori, Takemasa Hayashi, Kunihiko Wakamura, Hideyuki Miyachi
Publikováno v:
Journal of the Anus, Rectum and Colon, Vol 6, Iss 1, Pp 9-15 (2022)
The incidence of T1 colorectal cancer is expected to increase because of the prevalence of colorectal cancer screening and the progress of endoscopic treatment such as endoscopic submucosal dissection or endoscopic full-thickness resection. Currently
Externí odkaz:
https://doaj.org/article/f9d0dbd8a0124c36a715ab9b88e46b88
Autor:
Kenta Kodama, Shin-ei Kudo, Hideyuki Miyachi, Kunihiko Wakamura, Yasuharu Maeda, Katsuro Ichimasa, Yushi Ogawa, Yuta Kouyama, Masahiro Abe, Yohei Ogura, Taishi Okumura, Kenichi Mochizuki, Yosuke Minegishi, Misaki Ishiyama, Yuichi Mori, Masashi Misawa, Toyoki Kudo, Takemasa Hayashi, Fumio Ishida, Daisuke Watanabe
Publikováno v:
Endoscopy International Open, Vol 09, Iss 10, Pp E1472-E1479 (2021)
Background and study aims We sometimes encounter colorectal cancer (CRC) that is discovered during the time interval between initial colonoscopy and the recommended follow-up examination. Although several studies reported such cases of CRC, most were
Externí odkaz:
https://doaj.org/article/1b106cdbb7e44c96ad5bac704fb1ea51
Autor:
Shinichi Kataoka, Shin-ei Kudo, Masashi Misawa, Hiroki Nakamura, Kenichi Takeda, Naoya Toyoshima, Yuichi Mori, Noriyuki Ogata, Toyoki Kudo, Tomokazu Hisayuki, Takemasa Hayashi, Kunihiko Wakamura, Toshiyuki Baba, Fumio Ishida
Publikováno v:
Endoscopy International Open, Vol 08, Iss 03, Pp E360-E367 (2020)
Background and study aims Real-time diagnosis of colorectal polyps is needed to prevent unnecessary resection of benign polyps. The vessels in hyperplastic polyps sometimes mimic the characteristic meshed capillary network of neoplastic lesions on no
Externí odkaz:
https://doaj.org/article/1426c27576f842ddac999d5fca6d66bc
Autor:
Seiko Sasanuma, Kazuo Ohtsuka, Shin-ei Kudo, Noriyuki Ogata, Yasuharu Maeda, Masashi Misawa, Yuichi Mori, Toyoki Kudo, Tomokauzu Hisayuki, Kunihiko Wakamura, Takemasa Hayashi, Atsushi Katagiri, Hideyuki Miyachi, Toshiyuki Baba, Fumio Ishida
Publikováno v:
Endoscopy International Open, Vol 06, Iss 05, Pp E518-E523 (2018)
Background and study aims Mucosal healing is a current treatment target in ulcerative colitis (UC), while histological remission is another target. The aim of this study was to evaluate the efficiency of magnified narrow band imaging (NBI) findings o
Externí odkaz:
https://doaj.org/article/20a4319f50134026b20647d827e7618d
Autor:
Noriyuki Ogata, Kazuo Ohtsuka, Seiko Sasanuma, Masataka Ogawa, Yasuharu Maeda, Katsuro Ichimasa, Yuichi Mori, Masashi Misawa, Toyoki Kudo, Tomokazu Hisayuki, Takemasa Hayashi, Kunihiko Wakamura, Hideyuki Miyachi, Toshiyuki Baba, Fumio Ishida, Shin-ei Kudo
Publikováno v:
Endoscopy International Open, Vol 06, Iss 03, Pp E315-E321 (2018)
Background and study aims Capsule endoscopy (CE) has become a routine means of diagnosing obscure gastrointestinal bleeding (OGIB) in the small intestine. Capsules using novel blue-enhanced white light-emitting diodes are expected to acquire clearer
Externí odkaz:
https://doaj.org/article/ac6df0805e9c4fc7adaa54a11fd0df68
Autor:
Yushi Ogawa, Shin-ei Kudo, Yuichi Mori, Nobunao Ikehara, Yasuharu Maeda, Kunihiko Wakamura, Masashi Misawa, Toyoki Kudo, Takemasa Hayashi, Hideyuki Miyachi, Atsushi Katagiri, Fumio Ishida, Haruhiro Inoue
Publikováno v:
Endoscopy International Open, Vol 05, Iss 08, Pp E769-E774 (2017)
Background and study aims Recent studies that used magnifying chromoendoscopy and endocytoscopy (EC) to investigate endoscopic features of sessile serrated adenoma/polyps (SSA/Ps) suggested that a dilated crypt opening was an important indicator of S
Externí odkaz:
https://doaj.org/article/c19647c76c2d4a2faff0e5893506d47c
Autor:
Akihiro Yamauchi, Shin-ei Kudo, Yuichi Mori, Hideyuki Miyachi, Masashi Misawa, Hatsumi Kamo, Tomokazu Hisayuki, Toyoki Kudo, Takemasa Hayashi, Kunihiko Wakamura, Atsushi Katagiri, Toshiyuki Baba, Eiji Hidaka, Fumio Ishida
Publikováno v:
Endoscopy International Open, Vol 05, Iss 06, Pp E471-E476 (2017)
Background and study aims Patients undergoing bowel preparation for colonoscopy are at risk of potentially severe adverse events such as large-bowel obstruction (LBO) and perforation. These patients usually need emergency surgery and the consequences
Externí odkaz:
https://doaj.org/article/41562b31716b41c385dc881cbdee1f52