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682 results on '"Hida, Koya"'

10. Impact of the coronavirus disease 2019 pandemic on gastric and colorectal cancer surgeries: a multicenter epidemiologic study from the Kinki region of Japan

Author

Jikihara, Shunpei, Hoshino, Nobuaki, Hida, Koya, Inamoto, Susumu, Tanaka, Eiji, Matsusue, Ryo, Hamasu, Shinya, Matsuo, Koichi, Hashida, Hiroki, Shiota, Tetsuya, Yamada, Masahiro, Yamashita, Yoshito, Nakamura, Yuya, Yoshitomi, Mami, Murakami, Teppei, Itatani, Yoshiro, Hisamori, Shigeo, Tsunoda, Shigeru, and Obama, Kazutaka

Published
2024
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11. The degree of satisfaction and level of learning in male and female surgical residents: a nationwide questionnaire survey of graduating residents in Japan

Author

Hida, Koya, Hirano, Satoshi, Poudel, Saseem, Kurashima, Yo, Stefanidis, Dimitrios, Hashimoto, Daisuke, Akiyama, Hirotoshi, Eguchi, Susumu, Fukui, Toshihiro, Hagiwara, Masaru, Izaki, Tomoko, Kawamoto, Shunsuke, Otomo, Yasuhiro, Nagai, Eishi, Takami, Hideki, Takeda, Yuko, Toi, Masakazu, Yamaue, Hiroki, Yoshida, Motofumi, Yoshida, Shigetoshi, Kodera, Yasuhiro, and Saito, Mitsue

Published
2023
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12. Management of Patients Receiving Antiplatelet Therapy During Gastroenterological Surgery: A Multicenter Prospective Cohort Study (GSATT)

Author

Fujikawa, Takahisa, Hasegawa, Suguru, Takahashi, Ryo, Naito, Shigetoshi, Kaihara, Satoshi, Uryuhara, Kenji, Hirata, Keiji, Tamura, Toshihisa, Terajima, Hiroaki, Kawai, Takayuki, Okabe, Hiroshi, Machimoto, Takafumi, Tanaka, Hirokazu, Honma, Shusaku, Furumoto, Katsuyoshi, Honda, Goro, Uemura, Shuichiro, Nishitai, Ryuta, Hida, Koya, Aoyama, Ryuhei, Wada, Seidai, Hirose, Tetsuro, and Obama, Kazutaka

Published
2024
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16. Comparison of Minimally Invasive Surgery with Open Surgery for Remnant Gastric Cancer: A Multi-institutional Cohort Study

Author

Aoyama, Ryuhei, Tsunoda, Shigeru, Okamura, Ryosuke, Yamashita, Yoshito, Hata, Hiroaki, Kinjo, Yosuke, Miki, Akira, Kanaya, Seiichiro, Yamamoto, Michihiro, Matsuo, Koichi, Manaka, Dai, Tanaka, Eiji, Kawada, Hironori, Kondo, Masato, Itami, Atsushi, Kan, Takatsugu, Kadokawa, Yoshio, Ito, Tetsuo, Hirai, Kenjiro, Hosogi, Hisahiro, Nishigori, Tatsuto, Hisamori, Shigeo, Hoshino, Nobuaki, Hida, Koya, Goto, Yoshihito, Nakayama, Takeo, and Obama, Kazutaka

Published
2023
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21. Clinical features and oncological outcomes of intestinal cancers associated with ulcerative colitis and Crohn’s disease

Author

Noguchi, Tatsuki, Ishihara, Soichiro, Uchino, Motoi, Ikeuchi, Hiroki, Okabayashi, Koji, Futami, Kitaro, Tanaka, Shinji, Ohge, Hiroki, Nagahara, Hisashi, Watanabe, Kazuhiro, Itabashi, Michio, Okamoto, Kinya, Okita, Yoshiki, Mizushima, Tsunekazu, Mizuuchi, Yusuke, Yamada, Kazutaka, Shimada, Yoshifumi, Sato, Yu, Kimura, Hideaki, Takahashi, Kenichi, Hida, Koya, Kinugasa, Yusuke, Okuda, Junji, Daito, Koji, Koyama, Fumikazu, Ueno, Hideki, Yamamoto, Takayuki, Hanai, Tsunekazu, Maemoto, Atsuo, Oba, Koji, Ajioka, Yoichi, and Sugihara, Kenichi

Published
2023
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25. Safety assessment of robotic gastrectomy and analysis of surgical learning process: a multicenter cohort study

Author

Shimoike, Norihiro, Nishigori, Tatsuto, Yamashita, Yoshito, Kondo, Masato, Manaka, Dai, Kadokawa, Yoshio, Itami, Atsushi, Kanaya, Seiichiro, Hosogi, Hisahiro, Satoh, Seiji, Hata, Hiroaki, Kan, Takatsugu, Kawada, Hironori, Yamamoto, Michihiro, Tanaka, Eiji, Tsunoda, Shigeru, Hisamori, Shigeo, Hida, Koya, Ueno, Kentaro, Tanaka, Shiro, and Obama, Kazutaka

Published
2022
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28. ASO Visual Abstract: Comparison of Minimally Invasive Surgery with Open Surgery for Remnant Gastric Cancer—A Multi-institutional Cohort Study

Author

Aoyama, Ryuhei, Tsunoda, Shigeru, Okamura, Ryosuke, Yamashita, Yoshito, Hata, Hiroaki, Kinjo, Yosuke, Miki, Akira, Kanaya, Seiichiro, Yamamoto, Michihiro, Matsuo, Koichi, Manaka, Dai, Tanaka, Eiji, Kawada, Hironori, Kondo, Masato, Itami, Atsushi, Kan, Takatsugu, Kadokawa, Yoshio, Ito, Tetsuo, Hirai, Kenjiro, Hosogi, Hisahiro, Nishigori, Tatsuto, Hisamori, Shigeo, Hoshino, Nobuaki, Hida, Koya, Goto, Yoshihito, Nakayama, Takeo, and Obama, Kazutaka

Published
2023
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30. Oncologic benefit of adjuvant chemotherapy for locally advanced rectal cancer after neoadjuvant chemoradiotherapy and curative surgery with selective lateral pelvic lymph node dissection: An international retrospective cohort study

Author

Fukui, Yudai, Hida, Koya, Hoshino, Nobuaki, Song, Seung Ho, Park, Soo Yeun, Choi, Gyu-Seog, Maeda, Yusuke, Matoba, Shuichiro, Kuroyanagi, Hiroya, Bae, Sung Uk, Jeong, Woon Kyung, Baek, Seong Kyu, and Sakai, Yoshiharu

Published
2022
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33. Practice guidelines on endoscopic surgery for qualified surgeons by the endoscopic surgical skill qualification system: Large intestine.

Author

Kuroyanagi, Hiroya, Hida, Koya, Ishii, Yoshiyuki, Yamamoto, Seiichiro, Hasegawa, Suguru, Takahashi, Kenichi, Saida, Yoshihisa, Inomata, Masafumi, Nakamura, Masafumi, and Sakai, Yoshiharu

Subjects
*SURGICAL complications, *MINIMALLY invasive procedures, *LAPAROSCOPIC surgery, *OPERATIVE surgery, *SURGICAL site infections, *RECTAL surgery, *APPENDECTOMY, *APPENDICITIS, *DIVERTICULITIS
Abstract

This article provides practice guidelines for qualified surgeons on the use of laparoscopic surgery for various conditions related to colorectal cancer. The guidelines recommend laparoscopic surgery for colon cancer due to its comparable long-term results and superior short-term outcomes compared to open surgery. However, the use of laparoscopic surgery for transverse colon and rectal cancer is still controversial. The guidelines also discuss the applicability of laparoscopic surgery based on disease stage, comorbidities, and age. Overall, laparoscopic surgery is considered safe and effective, but individual patient factors should be carefully considered. The article also mentions the use of laparoscopic surgery for acute appendicitis, diverticula of the large intestine, ulcerative colitis, Crohn's disease, elderly patients, obese patients, and Stage IV colorectal cancer, providing insights into the short-term and long-term outcomes of laparoscopic surgery for these conditions. The article concludes that further research is needed, particularly in the area of robotic surgery for colorectal cancer. [Extracted from the article]

Published
2024
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34. Low‐grade appendiceal mucinous neoplasm penetrating sigmoid colon: A case report.

Author

Okamoto, Michio, Okamura, Ryosuke, Itatani, Yoshiro, Aisu, Yuki, Kinoshita, Hiromitsu, Hoshino, Nobuaki, Maekawa, Hisatsugu, Sakamoto, Takashi, Kasahara, Keiko, Okumura, Shintaro, Nishigori, Tatsuto, Hisamori, Shigeo, Tsunoda, Shigeru, Hida, Koya, Nikaido, Mitsuhiro, Hiramatsu, Yukiko, Teramoto, Yuki, Nagayama, Satoshi, and Obama, Kazutaka

Subjects
SIGMOID colon, LAPAROSCOPIC surgery, ENDOSCOPIC surgery, SURGERY, APPENDIX (Anatomy)
Abstract

Low‐grade appendiceal mucinous neoplasm (LAMN) is principally characterized by low‐grade cytology without evidence of invasion to other organs. We report a LAMN surgical case whose appendiceal tumor penetrated the sigmoid colon wall. An 87‐year‐old man was referred for endoscopic resection (ER) of a colon polyp. Despite four ERs over 5 years, the polyp recurred at the same site. Laparoscopic surgery revealed a dilated appendix firmly attached to the sigmoid colon. We performed en bloc resection of both the sigmoid colon and appendix without tumor exposure. The histopathological evaluation showed that the LAMN had penetrated the sigmoid colon wall, forming two polyps on the colonic mucosa. In cases where the appendiceal‐colonic fistula is suspected, en bloc resection of the appendix and colon wall should be considered. [ABSTRACT FROM AUTHOR]

Published
2024
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35. Identification of lateral pelvic nodes without metastasis in patients with rectal cancer treated with preoperative chemoradiotherapy or chemotherapy based on magnetic resonance imaging.

Author

Hoshino, Nobuaki, Fukui, Yudai, Ueno, Kohei, Hida, Koya, Obama, Kazutaka, Sakamoto, Kazuhiro, Kobayashi, Hirotoshi, Itabashi, Michio, Ishihara, Soichiro, Kawai, Kazushige, and Ajioka, Yoichi

Subjects
MAGNETIC resonance imaging, NEOADJUVANT chemotherapy, RECTAL cancer, CANCER patients, RECTUM, THERAPEUTICS
Abstract

Background: Intensive localized therapy is promising for the treatment of rectal cancer. In Japan, chemoradiotherapy (CRT) and neoadjuvant chemotherapy (NAC) are used as preoperative treatments for this disease. Magnetic resonance imaging (MRI) is used to diagnose lateral pelvic node (LPN) metastases, but the changes in LPN findings on MRI following preoperative treatment are unclear. Furthermore, there may be patients in whom LPN dissection can be omitted after CRT/NAC. Methods: Patients who underwent total mesorectal excision with LPN dissection after CRT/NAC at 13 Japanese Society for Cancer of the Colon and Rectum member institutions between 2017 and 2019 were included. Changes in the short diameter of the LPNs after CRT/NAC and the reduction rate were examined. Results: A total of 101 LPNs were examined in 28 patients who received CRT and 228 in 47 patients who received NAC. Comparison of LPNs before and after CRT/NAC showed that most LPNs shrank after CRT but that the size reduction was variable after NAC. Although some LPNs with a short diameter of <5 mm showed residual metastasis, no metastases were observed in LPNs that were <5 mm in short diameter before and after CRT/NAC and did not shrink after treatment. Conclusion: Although the short diameter of LPNs was significantly reduced by both CRT and NAC, even LPNs with a short diameter of <5 mm could have residual metastases. However, dissection may be omitted for LPNs <5 mm in short diameter that do not shrink after preoperative CRT or NAC. [ABSTRACT FROM AUTHOR]

Published
2024
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38. Response to the letter

Author

Okoshi, Kae, Hida, Koya, Kinoshita, Koichi, Morishima, Toshitaka, Nagai, Yoshie, Tomizawa, Yasuko, Yorozuya, Kyoko, Nishida, Takehiro, Matsumoto, Hisako, and Yamato, Hiroshi

Published
2022
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42. Linear or circular stapler? A propensity score-matched, multicenter analysis of intracorporeal esophagojejunostomy following totally laparoscopic total gastrectomy

Author

Murakami, Katsuhiro, Obama, Kazutaka, Tsunoda, Shigeru, Hisamori, Shigeo, Nishigori, Tatsuto, Hida, Koya, Kanaya, Seiichiro, Satoh, Seiji, Manaka, Dai, Yamamoto, Michihiro, Kadokawa, Yoshio, Itami, Atsushi, Okabe, Hiroshi, Hata, Hiroaki, Tanaka, Eiji, Yamashita, Yoshito, Kondo, Masato, Hosogi, Hisahiro, Hoshino, Nobuaki, Tanaka, Shiro, and Sakai, Yoshiharu

Published
2020
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