Personnel Information

写真a

TOKUNAGA Masanori


Job title

Associate Professor
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Graduating School 【 display / non-display 】

  • Kyushu University, Faculty of Medicine, 2000.03, Graduated

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Degree 【 display / non-display 】

  • PhD

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Campus Career 【 display / non-display 】

  • 2019.04
    -
    Now
    Tokyo Medical and Dental University， Graduate School of Medical and Dental Sciences， Medical and Dental Sciences， Systemic Organ Regulation， Gastrointestinal Surgery， Associate Professor
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Research Areas 【 display / non-display 】

  • Digestive surgery

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Qualification Acquired 【 display / non-display 】

  • Doctor

  • TOEIC（730）

  • Practical English Proficiency Test (1or semi-1 or 2 class)

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Published Papers & Misc 【 display / non-display 】

  1. Kazuhiro Tamura,Yoshinobu Tomita,Takumi Kanazawa,Hajime Shinohara,Masayoshi Sakano,Sachiko Ishibashi,Masumi Ikeda,Mayumi Kinoshita,Junko Minami,Kurara Yamamoto,Yuki Kato,Asuka Furukawa,Shigeo Haruki,Masanori Tokunaga,Yusuke Kinugasa,Morito Kurata,Masanobu Kitagawa,Kenichi Ohashi and Kouhei Yamamoto. Lipid Peroxidation Regulators GPX4 and FSP1 as Prognostic Markers and Therapeutic Targets in Advanced Gastric Cancer INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES. 2024.08; 25 (17): 9203. ( DOI )

  2. Y Yatabe, T Tanioka, Y Waseda, K Yamaguchi, T Ogo, H Fujiwar, K Okuno, K Kawada, S Haruki, M Tokunaga, Y Fujii, Y Kinugasa. Inguinal hernia repair in patients with artificial urinary sphincter after radical prostatectomy Hernia. 2024.08; 28 (4): 1331-1336. ( DOI )

  3. Keisuke Okuno, Shuichi Watanabe, Hoon Hur, Jeeyun Lee, Joon Oh Park, Masanori Tokunaga, Minoru Tanabe, Yusuke Kinugasa, Ajay Goel. An exosome-based liquid biopsy signature for therapeutic response prediction in metastatic gastric cancer Clinical and translational medicine. 2024.07; 14 (7): e1629. ( DOI )

  4. Marie Hanaoka, Yusuke Kinugasa, Kenta Yao, Ayumi Takaoka, Megumi Sasaki, Shinichi Yamauchi, Masanori Tokunaga. Transanal minimally invasive proctectomy for ulcerative colitis is beneficial in terms of short-term outcomes and defecation function Annals of Gastroenterological Surgery. 2024.07; Online ahead of print ( DOI )

  5. Mitsukuni Suenaga, Shinichi Yamauchi, Ryo Morikawa, Rika Noji, Yoshihito Kano, Masanori Tokunaga, Yusuke Kinugasa. Chemotherapy and COVID-19 Vaccination in Patients With Gastrointestinal Cancer In vivo. 2024.05; 38 (3): 1278-1284. ( DOI )

  6. Yoshimi Yamasaki, Masanori Tokunaga, Yoshihiro Sakai, Hiroki Kayasuga, Teruyuki Nishihara, Kotaro Tadano, Kenji Kawashima, Shigeo Haruki, Yusuke Kinugasa. Effects of a force feedback function in a surgical robot on the suturing procedure Surgical endoscopy. 2024.03; 38 (3): 1222-1229. ( DOI )

  7. Sodai Arai, Marie Hanaoka, Shinichi Yamauchi, Hironobu Baba, Ryoichi Hanazawa, Hiroyuki Sato, Akihiro Hirakawa, Masanori Tokunaga, Yusuke Kinugasa. Modified oral antibiotics and mechanical bowel preparation (OAMBP) versus conventional OAMBP for sigmoid colon and rectal Annals of Gastroenterological Surgery. 2024;  Online ahead of print. ( DOI )

  8. Yuriko Matsumiya, Mitsukuni Suenaga, Toshiaki Ishikawa, Toshifumi Kudo, Tsuyoshi Nakagawa, Kentaro Okamoto, Masanori Tokunaga, Claudia Hurtado, Yuki Yamada, Kentaro Oka, Motomichi Takahashi, Luis Francisco Lopez Kostner, Miguel Luis O'Ryan Gallardo, Hiroyuki Uetake, Yusuke Kinugasa. Clinical significance of Bacteroides fragilis as a potential prognostic factor in colorectal cancer Anaerobe. 2023.12; 84:102784 ( DOI )

  9. Marie Hanaoka, Yusuke Kinugasa, Yoshihiro Sakai, Masanori Tokunaga. World's first report of sigmoidectomy for sigmoid cancer using the Saroa surgical system with tactile feedback Updates in surgery. 2023.12; 75 (8): 2395-2401. ( DOI )

  10. Rie Makuuchi, Masanori Terashima, Mitsumi Terada, Junki Mizusawa, Ryosuke Kita, Masanori Tokunaga, Takeshi Omori, Toshiyasu Ojima, Kazuhisa Ehara, Masaya Watanabe, Yoshitomo Yanagimoto, Souya Nunobe, Takahiro Kinoshita, Seiji Ito, Yasunori Nishida, Jun Hihara, Narikazu Boku, Yukinori Kurokawa, Takaki Yoshikawa; Stomach Cancer Study Group of Japan Clinical Oncology Group. Randomized controlled phase III trial to investigate superiority of robot-assisted gastrectomy over laparoscopic gastrectomy for clinical stage T1-4aN0-3 gastric cancer patients (JCOG1907, MONA LISA study): a study protocol BMC cancer. 2023.10; 23 (1): 987. ( DOI )

  11. Seiji Ito, Takeshi Sano, Junki Mizusawa, Masanori Tokunaga, Tadayoshi Hashimoto, Hiroshi Imamura, Shin Teshima, Koei Nihei, Makoto Yamada, Yasuhiro Choda, Kazuhiro Imamura, Shinji Hato, Masanori Terashima, Mitsuru Sasako. Identifying Risk Factors of Complications following Total Gastrectomy for Gastric Cancer: Comparison between Splenectomy and Spleen-Preserving Surgery - A Supplementary Analysis of JCOG0110 Digestive surgery. 2023.09; 40 (3-4): 114-120. ( DOI )

  12. Keisuke Okuno, Muhammad Yogi Pratama, Jiang Li, Masanori Tokunaga, Xin Wang, Yusuke Kinugasa, Ajay Goel. Ginseng mediates its anti-cancer activity by inhibiting the expression of DNMTs and reactivating methylation-silenced genes in colorectal cancer Carcinogenesis. 2023.08; 10;44 (5): 394-403. ( PubMed, DOI )

  13. Toshiro Tanioka, Yusuke Yatabe, Toshifumi Saito, Kazuya Yamaguchi, Hisashi Fujiwara, Yuya Sato, Kenro Kawada, Shigeo Haruki, Masanori Tokunaga, Yusuke Kinugasa. Optimal placement of self-fixating mesh in the rectus abdominis muscle for ventral hernia repair when using the enhanced-view totally extraperitoneal Rives-Stoppa technique Asian journal of endoscopic surgery. 2023.07; 16 (3): 653-657. ( DOI )

  14. Toshifumi Saito, Satoru Muro, Hisashi Fujiwara, Yuya Umebayashi, Yuya Sato, Masanori Tokunaga, Keiichi Akita, Yusuke Kinugasa. Histological study of the structural layers around the esophagus in the lower mediastinum World Journal of Gastrointestinal Surgery. 2023.07; 15 (7): 1331-1339. ( DOI )

  15. Masanori Tokunaga, Yukinori Kurokawa, Takeo Fukagawa, Kei Muro, Kohei Shitara, Yasuhiro Kodera, Masanori Terashima. Neoadjuvant chemotherapy for locally advanced gastric cancer in Japan: Consensus meeting at the 77th general meeting of the Japanese Society of Gastroenterological Surgery Annals of gastroenterological surgery. 2023.07; 7 (6): 856-862. ( DOI )

  16. Yudai Yamamoto, Shu Shimada, Yoshimitsu Akiyama, Shu Tsukihara, Raizo Sugimoto, Ayano Kabashima, Masanori Tokunaga, Yusuke Kinugasa, Yutaka Kawakami, Shinji Tanaka. RTP4 silencing provokes tumor-intrinsic resistance to immune checkpoint blockade in colorectal cancer Journal of gastroenterology. 2023.06; 58 (6): 540-553. ( DOI )

  17. Tetsuo Sugishita, Masanori Tokunaga, Kenjiro Kami, Kozue Terai, Hiroyuki Yamamoto, Hajime Shinohara, Yusuke Kinugasa. Determination of the Minimum Sample Amount for Capillary Electrophoresis-Fourier Transform Mass Spectrometry (CE-FTMS)-Based Metabolomics of Colorectal Cancer Biopsies Biomedicines. 2023.06; 13;11 (6): 1706. ( DOI )

  18. Takashi Shigeno, Masashi Kizuki, Masanori Tokunaga, Kiyohide Fushimi, Yusuke Kinugasa, Takeo Fujiwara. A comparison of the short-term outcomes between laparoscopic and robotic distal gastrectomy: A retrospective study using a nationwide inpatient database. Surgery. 2023.05; 173 (5): 1169-1175. ( DOI )

  19. Yuya Umebayashi, Satoru Muro, Masanori Tokunaga, Toshifumi Saito, Yuuya Sato, Toshiro Tanioka, Yusuke Kinugasa, Keiichi Akita. Distribution of splenic artery lymph nodes and splenic hilar lymph nodes World Journal of Gastrointestinal Surgery. 2023.05; 15 (5): 812-824. ( DOI )

  20. Masako Mizoguchi, Masashi Kizuki, Noriko Iwata, Masanori Tokunaga, Kiyohide Fushimi, Yusuke Kinugasa, Takeo Fujiwara. Comparison of short-term outcomes between robot-assisted and laparoscopic rectal surgery for rectal cancer: A propensity score-matched analysis using the Japanese Nationwide diagnosis procedure combination database Annals of Gastroenterological Surgery. 2023.05; 2023 (00): 1-13. ( DOI )

  21. Tsuyoshi Etoh, Tetsuji Ohyama, Shinichi Sakuramoto, Toshikatsu Tsuji, Sang-Woong Lee, Kazuhiro Yoshida, Keisuke Koeda, Naoki Hiki, Chikara Kunisaki, Masanori Tokunaga, Dai Otsubo, Akinori Takagane, Kazunari Misawa, Takahiro Kinoshita, Haruhiko Cho, Yuichiro Doki, Souya Nunobe, Norio Shiraishi, Seigo Kitano; Japanese Laparoscopic Surgery Study Group (JLSSG). Five-Year Survival Outcomes of Laparoscopy-Assisted vs Open Distal Gastrectomy for Advanced Gastric Cancer: The JLSSG0901 Randomized Clinical Trial JAMA surgery. 2023.05; 158 (5): 445-454. ( DOI )

  22. Keisuke Okuno, Shuichi Watanabe, Souvick Roy, Mitsuro Kanda, Masanori Tokunaga, Yasuhiro Kodera, Yusuke Kinugasa, Ajay Goel. A liquid biopsy signature for predicting early recurrence in patients with gastric cancer. Br J Cancer. 2023.04; 128 (6): 1105-1116. ( DOI )

  23. Ryosuke Fukuyo, Masanori Tokunaga, Yuya Umebayashi, Toshifumi Saito, Keisuke Okuno, Yuya Sato, Katsumasa Saito, Naoto Fujiwara, Yusuke Kinugasa. Deep learning-based diagnostic model for predicting complications after gastrectomy Asian journal of endoscopic surgery. 2023.04; 16 (2): 210-217. ( DOI )

  24. Shunsuke Kasai, Shinichi Yamauchi, Miyako Tazawa, Ayumi Takaoka, Marie Hanaoka, Noriko Iwata, Taiki Masuda, Masanori Tokunaga, Yusuke Kinugasa. Advantages of preoperative counseling with video for robotic rectal cancer surgery compared with conventional counseling: A randomized controlled trial Asian journal of endoscopic surgery. 2023.04; 16 (2): 248-254. ( DOI )

  25. Keisuke Okuno, Masanori Tokunaga, Daniel Von Hoff, Yusuke Kinugasa, Ajay Goel; The PDAC Biomarker Working Group. Intratumoral Malassezia globosa Levels Predict Survival and Therapeutic Response to Adjuvant Chemotherapy in Patients With Pancreatic Ductal Adenocarcinoma Gastroenterology. 2023.04; Online ahead of print ( PubMed, DOI )

  26. Keisuke Okuno, Caiming Xu, Silvia Pascual-Sabater, Masanori Tokunaga, Tetsuji Takayama, Haiyong Han, Cristina Fillat, Yusuke Kinugasa, Ajay Goel. Andrographis Reverses Gemcitabine Resistance through Regulation of ERBB3 and Calcium Signaling Pathway in Pancreatic Ductal Adenocarcinoma. Biomedicines. 2023.01; 11 (1): ( DOI )

  27. Keisuke Okuno, Raju Kandimalla, Marta Mendiola, Francesc Balaguer, Luis Bujanda, Carlos Fernandez-Martos, Jorge Aparicio, Jaime Feliu, Masanori Tokunaga, Yusuke Kinugasa, Joan Maurel, Ajay Goel. A microRNA signature for risk-stratification and response prediction to FOLFOX-based adjuvant therapy in stage II and III colorectal cancer. Mol Cancer. 2023.01; 22 (1): 13. ( DOI )

  28. Mitsuro Kanda, Masanori Terashima, Takahiro Kinoshita, Hiroshi Yabusaki, Masanori Tokunaga, Yasuhiro Kodera. A multi-institutional study to evaluate the feasibility of next-generation sequencing and genomic analysis using formalin-fixed, paraffin-embedded biopsies of gastric cancer Gastric Cancer. 2023.01; 26 (1): 108-115. ( DOI )

  29. Yuya Sato, Jun Sese, Takatoshi Matsuyama, Masaki Onuki, Shogo Mase, Keisuke Okuno, Katsumasa Saito, Naoto Fujiwara, Akihiro Hoshino, Kenro Kawada, Masanori Tokunaga, Yusuke Kinugasa. Preliminary study for developing a navigation system for gastric cancer surgery using artificial intelligence Surgery today. 2022.12; 52 (12): 1753-1758. ( DOI )

  30. Akitoshi Nankaku, Masanori Tokunaga, Hiroki Yonezawa, Takahiro Kanno, Kenji Kawashima, Kenichi Hakamada, Satoshi Hirano, Eiji Oki, Masaki Mori, Yusuke Kinugasa . Maximum acceptable communication delay for the realization of telesurgery PLOS ONE. 2022.10; 17 (10): e0274328. ( DOI )

  31. Keisuke Okuno, Caiming Xu, Silvia Pascual-Sabater, Masanori Tokunaga, Haiyong Han, Cristina Fillat, Yusuke Kinugasa, Ajay Goel. Berberine Overcomes Gemcitabine-Associated Chemoresistance through Regulation of Rap1/PI3K-Akt Signaling in Pancreatic Ductal Adenocarcinoma. Pharmaceuticals (Basel). 2022.09; 15 (10): ( DOI )

  32. Masanori Terashima, Takeshi Sano, Junki Mizusawa, Kohei Umemura, Masanori Tokunaga, Takeshi Omori, Haruhiko Cho, Yasuhiro Hasegawa, Yuji Akiyama, Hironori Tsujimoto, Yoshiyuki Kawashima, Yasuyuki Kawachi, Sang Woong Lee, Kazuki Kano, Hiroko Hasegawa, Narikazu Boku, Takaki Yoshikawa, Mitsuru Sasako. Prediction of the peritoneal recurrence via the macroscopic diagnosis of the serosal invasion in patients with gastric cancer: Supplementary analysis of JCOG0110 European journal of surgical oncology. 2022.08; 48 (8): 1753-1759. ( DOI )

  33. Takashi Shigeno, Akihiro Hoshino, Shiho Matsunaga, Rumi Shimano, Naoya Ishibashi, Hajime Shinohara, Hiroyuki Shiobara, Chiharu Tomii, Katsumasa Saito, Naoto Fujiwara, Yuya Sato, Kenro Kawada, Masanori Tokunaga, Yusuke Kinugasa. The impact of lymphadenectomy on lymph node recurrence after performing various treatments for esophageal squamous cell carcinoma BMC surgery. 2022.05; 22 (1): 171. ( DOI )

  34. Keisuke Okuno, Masanori Tokunaga, Yusuke Kinugasa, Hideo Baba, Yasuhiro Kodera, Ajay Goel. A Transcriptomic Liquid Biopsy Assay for Predicting Resistance to Neoadjuvant Therapy in Esophageal Squamous Cell Carcinoma Annals of surgery. 2022.05; Online ahead of print ( DOI )

  35. Keisuke Okuno, Rachana Garg, Yate-Ching Yuan, Masanori Tokunaga, Yusuke Kinugasa, Ajay Goel. Berberine and Oligomeric Proanthocyanidins Exhibit Synergistic Efficacy Through Regulation of PI3K-Akt Signaling Pathway in Colorectal Cancer Frontiers in oncology. 2022.05; 12:855860（eCollection 2022） ( DOI )

  36. Shinichi Yamauchi, Marie Hanaoka, Noriko Iwata, Taiki Masuda, Masanori Tokunaga, Yusuke Kinugasa. Robotic-assisted Surgery: Expanding Indication to Colon Cancer in Japan Journal of the anus, rectum and colon. 2022.04; 6 (2): 77-82. ( DOI )

  37. Sono Ito, Naoto Fujiwara, Yuichiro Kume, Fumio Tsukamoto, Katsumasa Saito, Akihiro Hoshino, Kenro Kawada, Takuya Okada, Keisuke Okuno, Yuya Sato, Takatoshi Matsuyama, Masanori Tokunaga, Yusuke Kinugasa . Mucosal Congestion on the First Day Following Endoscopy Predicts Anastomotic Stricture After Esophagectomy World journal of surgery. 2022.03; 46 (3): 631-638. ( DOI )

  38. Kazunari Misawa, Yukinori Kurokawa, Junki Mizusawa, Shuji Takiguchi, Yuichiro Doki, Shigeto Makino, Yasuhiro Choda, Atsushi Takeno, Masanori Tokunaga, Takeshi Sano, Mitsuru Sasako, Takaki Yoshikawa, Masanori Terashima; Stomach Cancer Study Group of the Japan Clinical Oncology Group. Negative impact of intraoperative blood loss on long-term outcome after curative gastrectomy for advanced gastric cancer: exploratory analysis of the JCOG1001 phase III trial Gastric Cancer. 2022.03; 25 (2): 459-467. ( DOI )

  39. Kei Nakajima, Masanori Tokunaga, Keisuke Okuno, Katsumasa Saito, Naoto Fujiwara, Yuya Sato, Akihiro Hoshino, Takatoshi Matsuyama, Yusuke Kinugasa. Prognostic Value of Intraoperative Blood Transfusion in Patients with Adenocarcinoma of the Esophagogastric Junction Medicina (Kaunas, Lithuania) . 2022.03; 58 (4): 474. ( DOI )

  40. Masanori Tokunaga, Takaki Yoshikawa, Narikazu Boku, Yasunori Nishida, Toshiyuki Tanahashi, Takanobu Yamada, Shusuke Haruta, Tsuyoshi Etoh, Noriyuki Hirahara, Yasuyuki Kawachi, Kunihiro Tsuji, Takahiro Kinoshita, Takashi Kanazawa, Noriaki Tokumoto, Junya Fujita, Masanori Terashima. Impact of COVID-19 on gastric cancer treatment in Japanese high-volume centers: a JCOG stomach cancer study group survey Surgery today. 2022.02; 52 (2): 231-238. ( DOI )

  41. Alexander Harris, James Butterworth, Piers R Boshier, Hugh MacKenzie, Masanori Tokunaga, Hideki Sunagawa, Stella Mavroveli, Melody Ni, Sameh Mikhail, Chi-Chuan Yeh, Natalie S Blencowe, Kerry N L Avery, Richard Hardwick, Arnulf Hoelscher, Manuel Pera, Giovanni Zaninotto, Simon Law, Donald E Low, Jan J B van Lanschot, Richard Berrisford, Christopher Paul Barham, Jane M Blazeby, George B Hanna. Development of a Reliable Surgical Quality Assurance System for 2-stage Esophagectomy in Randomized Controlled Trials Annals of surgery. 2022.01; 275 (1): 121-130. ( DOI )

  42. Okuno Keisuke, Tokunaga Masanori, Yamashita Yamato, Umebayashi Yuya, Saito Toshifumi, Fukuyo Ryosuke, Sato Yuya, Saito Katsumasa, Fujiwara Naoto, Hoshino Akihiro, Kawada Kenro, Matsuyama Takatoshi, Kinugasa Yusuke. Preoperative lymphocyte-to-monocyte ratio is the most predictive inflammatory response marker of survival in gastric cancer LANGENBECKS ARCHIVES OF SURGERY. 2021.11; 406 (7): 2287-2294. ( DOI )

  43. Okuno Keisuke, Tokunaga Masanori, Yamashita Yamato, Umebayashi Yuya, Saito Toshifumi, Fukuyo Ryosuke, Sato Yuya, Saito Katsumasa, Fujiwara Naoto, Hoshino Akihiro, Kawada Kenro, Matsuyama Takatoshi, Kinugasa Yusuke. Impact of Preoperative Time Interval on Survival in Patients With Gastric Cancer WORLD JOURNAL OF SURGERY. 2021.09; 45 (9): 2860-2867. ( DOI )

  44. Makoto Hikage, Masanori Tokunaga, Kenichiro Furukawa, Keiichi Fujiya, Satoshi Kamiya, Yutaka Tanizawa, Etsuro Bando, Masanori Terashima. Long-term outcomes of robotic gastrectomy for clinical stage I gastric cancer: a single-center prospective phase II study Surgical endoscopy. 2021.08; 35 (8): 4160-4166. ( DOI )

  45. Yuko Kinowaki, Shiho Abe, Shinya Abe, Shohei Tomii, Akane Yukimori, Takumi Akashi, Masanori Tokunaga, Masanobu Kitagawa. Synovial sarcoma of the stomach: a case report and a systematic review of literature Clinical journal of gastroenterology. 2021.08; 14 (4): 1020-1026. ( DOI )

  46. Yudai Kawamura, Kenro Kawada, Takashi Ito, Katsumasa Saito, Naoto Fujiwara, Takuya Okada, Akihiro Hoshino, Yutaka Tokairin, Yasuaki Nakajima, Tatsuyuki Kawano, Masanori Tokunaga, Yusuke Kinugasa. Histological changes in the human esophagus following triamcinolone injection to prevent esophageal stricture after endoscopic submucosal dissection Esophagus. 2021.07; 18 (3): 594-603. ( DOI )

  47. Takatoshi Matsuyama, Shinichi Yamauchi, Taiki Masuda, Akifumi Kikuchi, Masanori Tokunaga, Kenichi Sugihara, Yusuke Kinugasa, Japanese Study Group for Postoperative Follow-up of Colorectal Cancer. Treatment and subsequent prognosis in locally recurrent rectal cancer: a multicenter retrospective study of 498 patients International journal of colorectal disease. 2021.06; 36 (6): 1243-1250. ( DOI )

  48. Sasaki Megumi, Ishikawa Toshiaki, Ishiguro Megumi, Okazaki Satoshi, Yamauchi Shinichi, Kikuchi Akifumi, Matsuyama Takatoshi, Kawada Kenro, Tokunaga Masanori, Uetake Hiroyuki, Kinugasa Yusuke. The effectiveness of plasma miR-33a-5p as a predictive biomarker for the efficacy of colorectal cancer chemotherapy ONCOLOGY LETTERS. 2021.06; 21 (6): ( DOI )

  49. Yuichiro Miki, Masanori Tokunaga, Keita Mori, Norimasa Fukushima, Kazunari Misawa, Kazuhiro Nishikawa, Kazumasa Fujitani, Masaichi Ohira, Yutaka Tanizawa, Etsuro Bando, Masanori Terashima. A Randomized Phase II Study to Evaluate Prolonged Prophylactic Antibacterial Drug Treatment for Patients with Elevated Drain Amylase Concentration After Gastrectomy with D2 Lymph Node Dissection (REDUCED2) World journal of surgery. 2021.04; 45 (4): 1135-1143. ( DOI )

  50. Kawada Kenro, Matsui Toshihiro, Yamaguchi Kazuya, Shinohara Gen, Hoshino Akihiro, Tokairin Yutaka, Ohno Kazuchika, Kawabe Hiroaki, Sugimoto Taro, Tokunaga Masanori, Nakajima Yasuaki, Kinugasa Yuusuke, Asakage Takahiro. ELPS combined with ESD for treating superficial neoplasm of the pharyngoesophageal junction(和訳中) 日本内視鏡外科学会雑誌. 2021.03; 25 (7): DP70-6. ( ichushi )

  51. Ayumi Takaoka, Toshiaki Ishikawa, Satoshi Okazaki, Shuichi Watanabe, Fuyuki Miya, Tatsuhiko Tsunoda, Akifumi Kikuchi, Shinichi Yamauchi, Takatoshi Matsuyama, Masanori Tokunaga, Hiroyuki Uetake, Yusuke Kinugasa. ELF3 Overexpression as Prognostic Biomarker for Recurrence of Stage II Colorectal Cancer In vivo. 2021.02; 35 (1): 191-201.

  52. Shizuki Sugita, Takahiro Kinoshita, Takeshi Kuwata, Masanori Tokunaga, Akio Kaito, Masahiro Watanabe, Akiko Tonouchi, Reo Sato, Masato Nagino . Long-term oncological outcomes of laparoscopic versus open transhiatal resection for patients with Siewert type II adenocarcinoma of the esophagogastric junction Surgical endoscopy. 2021.01; 35 (1): 340-348.

  53. Masanori Tokunaga, Yukinori Kurokawa, Ryunosuke Machida, Yuya Sato, Shuji Takiguchi, Yuichiro Doki, Hiroshi Yabusaki, Masaya Watanabe, Shinji Hato, Mikihito Nakamori, Seiji Ito, Takaki Yoshikawa, Masanori Terashima . Impact of postoperative complications on survival outcomes in patients with gastric cancer: exploratory analysis of a randomized controlled JCOG1001 trial Gastric Cancer. 2021.01; 24 (1): 214-223.

  54. Shinichi Yamauchi, Takatoshi Matsuyama, Masanori Tokunaga, Yusuke Kinugasa . Minimally Invasive Surgery for Colorectal Cancer Japan Medical Association journal. 2021.01; 4 (1): 17-23. ( DOI )

  55. Shinsaku Honda, Kenichiro Furukawa, Rie Makuuchi, Tomoyuki Irino, Masanori Tokunaga, Yutaka Tanizawa, Etsuro Bando, Taiichi Kawamura, Kaori Shinsato, Teruaki Matsumoto, Masanori Terashima . A phase II study of ramelteon for the prevention of postoperative delirium in elderly patients undergoing gastrectomy Surgery today. 2020.12; 50 (12): 1681-1686.

  56. Yuya Sato, Takanobu Yamada, Takaki Yoshikawa, Ryunosuke Machida, Junki Mizusawa, Hiroshi Katayama, Masanori Tokunaga, Narikazu Boku, Masanori Terashima, Stomach Cancer Study Group/Japan Clinical Oncology Group. Randomized controlled Phase III trial to evaluate omentum preserving gastrectomy for patients with advanced gastric cancer (JCOG1711, ROAD-GC) Japanese journal of clinical oncology. 2020.10; 50 (11): 1321-1324.

  57. Sanae Kaji, Tomoyuki Irino, Masatoshi Kusuhara, Rie Makuuchi, Yushi Yamakawa, Masanori Tokunaga, Yutaka Tanizawa, Etsuro Bando, Taiichi Kawamura, Kenjiro Kami, Yoshiaki Ohashi, Shun Zhang, Hajime Orita, Hyeon-Cheol Lee-Okada, Tetsu Fukunaga, Masanori Terashima. Metabolomic profiling of gastric cancer tissues identified potential biomarkers for predicting peritoneal recurrence Gastric Cancer. 2020.09; 23 (5): 874-883.

  58. Shizuki Sugita, Takeshi Kuwata, Masanori Tokunaga, Akio Kaito, Masahiro Watanabe, Akiko Tonouchi, Takahiro Kinoshita, Masato Nagino. Clinical significance of lymphatic invasion in the esophageal region in patients with adenocarcinoma of the esophagogastric junction Journal of surgical oncology. 2020.09; 122 (3): 433-441.

  59. Yuya Sato, Junki Mizusawa, Hiroshi Katayama, Kenichi Nakamura, Takeo Fukagawa, Hitoshi Katai, Shusuke Haruta, Makoto Yamada, Masakazu Takagi, Shigeyuki Tamura, Tsunehiro Yoshimura, Masanori Tokunaga, Takaki Yoshikawa, Narikazu Boku, Takeshi Sano, Mitsuru Sasako, Masanori Terashima . Diagnosis of invasion depth in resectable advanced gastric cancer for neoadjuvant chemotherapy: An exploratory analysis of Japan clinical oncology group study: JCOG1302A European journal of surgical oncology. 2020.06; 46 (6): 1074-1079.

  60. Shizuki Sugita, Takahiro Kinoshita, Takeshi Kuwata, Masanori Tokunaga, Akio Kaito, Masahiro Watanabe, Akiko Tonouchi, Reo Sato, Masato Nagino. Intramucosal-lymphatic invasion has a slight impact on lymph node metastasis in patients with early gastric cancer Surgery today. 2020.05; 50 (5): 484-489.

  61. Masanori Terashima, Takaki Yoshikawa, Narikazu Boku, Seiji Ito, Akira Tsuburaya, Yoshiaki Iwasaki, Takeo Fukagawa, Masanori Tokunaga, Takeshi Sano, Mitsuru Sasako, Stomach Cancer Study Group, Japan Clinical Oncology Group. Current status of perioperative chemotherapy for locally advanced gastric cancer and JCOG perspectives Japanese journal of clinical oncology. 2020.05; 50 (5): 528-534.

  62. Nakagawa Masatoshi, Tokunaga Masanori, Aburatani Tomoki, Sato Yuya, Matsuyama Takatoshi, Nakajima Yasuaki, Kinugasa Yusuke. Feasibility and Safety of Early Oral Intake and Discharge After Total or Proximal Gastrectomy: An Analysis of Consecutive Cases Without Exclusion Criteria ANNALS OF SURGICAL ONCOLOGY. 2020.03; 27 (3): 812-821. ( DOI )

  63. Kazuya Takahashi, Takaki Yoshikawa, Shinji Morita, Takahiro Kinoshita, Masahiro Yura, Sho Otsuki, Masanori Tokunaga, Yukinori Yamagata, Akio Kaito, Hitoshi Katai. Different risks of nodal metastasis by tumor location in remnant gastric cancer after curative gastrectomy for gastric cancer Gastric Cancer. 2020.01; 23 (1): 195-201. ( PubMed, DOI )

  64. Masanori Tokunaga, Yuya Sato, Masatoshi Nakagawa, Tomoki Aburatani, Takatoshi Matsuyama, Yasuaki Nakajima, Yusuke Kinugasa. Perioperative chemotherapy for locally advanced gastric cancer in Japan: current and future perspectives Surgery Today. 2020.01; 50 (1): 30-37. ( DOI )

  65. Akiko Tonouchi, Masato Sugano, Masanori Tokunaga, Shizuki Sugita, Masahiro Watanabe, Reo Sato, Akio Kaito, Tetsuo Akimoto, Atsushi Ochiai, Takahiro Kinoshita, Takeshi Kuwata. Extra-perigastric Extranodal Metastasis is a Significant Prognostic Factor in Node-Positive Gastric Cancer World Journal of Surgery. 2019.10; 43 (10): 2499-2505. ( DOI )

  66. Akio Kaito, Takeshi Kuwata, Masanori Tokunaga, Kohei Shitara, Reo Sato, Tetsuo Akimoto, Takahiro Kinoshita. HER2 heterogeneity is a poor prognosticator for HER2-positive gastric cancer World Journal of Clinical Cases. 2019.08; 7 (15): 1964-1977. ( DOI )

  67. Masahiro Watanabe, Takahiro Kinoshita, Shinji Morita, Masahiro Yura, Masanori Tokunaga, Sho Otsuki, Yukinori Yamagata, Akio Kaito, Takaki Yoshikawa, Hitoshi Katai. Clinical impact of splenic hilar dissection with splenectomy for gastric stump cancer European Journal of Surgical Oncology. 2019.08; 45 (8): 1505-1510. ( DOI )

  68. Anna Dorothea Wagner, Heike I. Grabsch, Murielle Mauer, Sandrine Marreaud, Carmela Caballero, Peter Thuss-Patience, Lothar Mueller, Annelie Elme, Markus Hermann Moehler, Uwe Martens, Yoon-Koo Kang, Sun Young Rha, Annemieke Cats, Masanori Tokunaga, Florian Lordick. EORTC-1203-GITCG - the “INNOVATION”-trial: Effect of chemotherapy alone versus chemotherapy plus trastuzumab, versus chemotherapy plus trastuzumab plus pertuzumab, in the perioperative treatment of HER2 positive, gastric and gastroesophageal junction adenocarcinoma on pathologic response rate: a randomized phase II-intergroup trial of the EORTC-Gastrointestinal Tract Cancer Group, Korean Cancer Study Group and Dutch Upper GI-Cancer group BMC Cancer. 2019.05; 19 (1): 494. ( DOI )

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Conference Activities & Talks 【 display / non-display 】

  1. Toshiro Tanioka, Takashi Shigeno, Yudai Kawamura, Keisuke Okuno, Taichi Ogo, Kenro Kawada, Hisashi Fujiwara, Masanori Tokunaga, Yusuke Kinugasa. Short-and Mid-Term outcomes after enhanced view totally extraperitoneal approach (eTEP) for primary ventral and incisional hernia repair. 18th Congress of the KHS & 2024 International Symposium 2024.07.05 Seoul

  2. 奥野圭祐、谷岡利朗、小郷泰一、藤原尚志、川田研郎、春木茂男、徳永正則、絹笠祐介. 術前臨床学的因子を用いた、胃癌に対するロボット支援胃切除術の手術合併症予測モデルの開発. 第96回日本胃癌学会総会 2024.03.01 京都

  3. Toshiro Tanioka, Ayumi Takaoka, Keisuke Okuno, Megumi Sasaki, Taichi Ogo, Marie Hanaoka, Hisashi Fujiwara, Kenro Kawada, Shigeo Haruki, Masanori Tokunaga, Yusuke Kinugasa. Enhanced view totally extraperitoneal approach (eTEP) for ventral and incisional hernia repair. 18th Annual International Congress of the Asia Pacific Hernia Society 2023 (APHS2023) 2023.09.22 Pennang

  4. Toshiro Tanioka, Kazuya Yamaguchi, Hisashi Fujiwara, Yuya Sato, Kenro Kawada, Shigeo Haruki, Masanori Tokunaga, Yusuke Kinugasa. Robotic-assisted gastrectomy for type 4 gastric cancer. International Gastric Cancer Congress 2023 (IGCC2023) 2023.06.17 Yokohama

  5. Masanori Tokunaga, Yuya Sato, Toshiro Tanioka, Kazuya Yamaguchi, Hisashi Fujiwara, Kenro Kawada, Shigeo Haruki, Yusuke Kinugasa. Optimal treatment for patients with resectable gastric cancer. International Gastric Cancer Congress 2023 (IGCC2023) 2023.06.16 Yokohama

  6. Yuya Sato, Masanori Tokunaga, Kazuya Yamaguchi, Hisashi Fujiwara, Toshiro Tanioka, Kenro Kawada, Shigeo Haruki, Yusuke Kinugasa. Development of prediction model of intra-abdominal infectious complication after gastrectomy with machine learning. International Gastric Cancer Congress 2023 (IGCC2023) 2023.06.15 Yokohama

  7. Masanori Tokunaga, Yuya Sato, Yusuke Kinugasa. Current evidence and technical challenges for laparoscopic surgery for advanced gastric cancer. Japan Digestive Disease Week 2022 (JDDW2022) 2022.10.29 福岡

  8. Marie Hanaoka, Shunsaku Nakagawa, Naoya Ishibashi, Masako Mizoguchi, Miyako Tazawa, Noriko Iwata, Taiki Masuda, Shinichi Yamauchi, Masanori Tokunaga, Yusuke Kinugasa. Robotic rectal surgery with lateral lymph node dissection or combined resection of other organs. The 77th General Meeting of the Japanese Society of Gastroenterological Surgery 2022.07.21 Yokohama

  9. Yuya Sato, Masanori Tokunaga, Ryosuke Fukuyo, Yuya Umebayashi, Toshifumi Saito, Emi Kanemoto, Tomoki Aburatani, Takatoshi Matsuyama, Yasuaki Nakajima, Yusuke Kinugasa. Intracorporeal triangular anastomotic technique in robotic distal gastrectomy. 2021.03.12 WEB

  10. Yamato Yamashita, Yuya Sato, Hiroyuki Shiobara, Yuya Umebayashi, Toshifumi Saito, Ryosuke Fukuyo, Emi Kanemoto, Tomoki Aburatani, Takatoshi Matsuyama, Masanori Tokunaga, Yasuaki Nakajima, Yusuke Kinugasa. Safety of Robotic Gastrectomy for Obese Patients. The 33rd Annual Meeting of the Japanese Society for Endoscopic Surgery 2021.03.12 WEB

  11. Yuya Sato, Jun Sese, Takatoshi Matsuyama, Masaki Onuki, Shogo Mase, Ryosuke Fukuyo, Yuya Umebayashi, Toshifumi Saito, Masanori Tokunaga, Yasuaki Nakajima, Yusuke Kinugasa. Development of navigation system for gastric cancer surgery using artificial intelligence. The 33rd Annual Meeting of the Japanese Society for Endoscopic Surgery 2021.03.12 WEB

  12. Akihoro Hoshino, Kazuya Yamaguchi, Toshihiro Matsui, Yutaka Tokairin, Takatoshi Matsuyama, Kenro Kawada, Masanori Tokunaga, Yasuaki Nakajima, Yusuke Kinugasa. The clinical pathway to initiate early oral ingestion in thoracoscopic esophagectomy. 2021.03.10 WEB

  13. Yudai Yamamoto, Shinichi Yamauchi, Yasuko Aoyagi, Ayumi Takaoka, Yuriko Matsumiya, Hironobu Baba, Akihiro Kikuchi, Takatoshi Matsuyama, Masanori Tokunaga, Yusuke Kinugasa. Short term outcomes of robotic-assisted abdominoperineal resection in our hospital. The 33rd Annual Meeting of the Japanese Society for Endoscopic Surgery 2021.03.10 WEB

  14. Hajime Shinohara, Akihiro Hoshino, Kazuya Yamaguchi, Takahiro Matsui, Yutaka Tokairin, Kenro Kawada, Takatoshi Matsuyama, Masanori Tokunaga, Yasuaki Nakajima, Yusuke Kinugasa. A case of Behcet's disease manifested and treated after robot-assisted subtotal esophagectomy. The 33rd Annual Meeting of the Japanese Society for Endoscopic Surgery 2021.03.10 WEB

  15. Yuriko Matsumiya, Akifumi Kikuchi, Yasuko Aoyagi, Yudai Yamamoto, Ayumi Takaoka, Hironobu Baba, Shinichi Yamauchi, Takatoshi Matsuyama, Masanori Tokunaga, Yusuke Kinugasa. The safety robotic-assisted laparoscopic surgery for rectal cancer in elderly patients. The 33rd Annual Meeting of the Japanese Society for Endoscopic Surgery 2021.03.10 WEB

  16. Takatoshi Matsuyama, Shinichi Yamauchi, Akifumi Kikuchi, Hironobu Baba, Yasuko Aoyagi, Yudai Yamamoto, Yuriko Matsumiya, Ayumi Takaoka, Masanori Tokunaga, Yusuke Kinugasa. Perioperative outcome of high BMI patients in robot-assisted rectal surgery. The 33rd Annual Meeting of the Japanese Society for Endoscopic Surgery 2021.03.10 WEB

  17. Masanori Tokunaga. Diffuse Type Gastric Cancer. The CCMW Global Outreach Initiative: SSAT Clinical Case Management Webinar 2021.02.19 WEB

  18. Yuriko Matsumiya, ShinichinYamauchi, Hiroki Yonezawa, Sono Ito, Masayoshi Sakano, Takashi Shigeno, Kei Nakajima, Ryuta Kakuta, Sodai Arai, Masako Mizoguchi, Akitoshi Nankaku, Yudai Yamamoto, Taiki Masuda, Akifumi Kikuchi, Takatoshi Matsuyama, Masanori Tokunaga, Yusuke Kinugasa. The risk factors of postoperative outcomes for elderly colorectal cancer patients. The International Society of University Colon and Rectal Surgeons 30th Biennial Congress(ISUCRS 2020) 2020.11.13 WEB

  19. Yudai Yamamoto, Shinichi Yamauchi, Sodai Arai, Sono Ito, Ryuta Kakuta, Takashi Shigeno, Akitoshi Nankaku, Kei Nakajima, Masako Mizoguchi, Yuriko Matsumiya, Taiki Masuda, Akifumi Kikuchi, Takatoshi Matsuyama, Masanori Tokunaga, Yusuke Kinugasa. Short-term outcomes of robotic-assisted abdominoperineal resection in our hospital. The International Society of University Colon and Rectal Surgeons 30th Biennial Congress(ISUCRS 2020) 2020.11.13 WEB

  20. Yusuke Kinugasa,Takatoshi Matsuyama, Masanori Tokunaga. Current status of Robotic surgery for rectal cancer. Japan Digestive Disease Week 2020 (JDDW2020) 2020.11.06 WEB

  21. Masanori Tokunaga, Yukinori Kurokawa, Yuichiro Doki, Ryunosuke Machida, Shuji Takiguchi, Yuya Sato, Hitoshi Katai, Norimasa Fukushima, Yasunori Nishida, Haruhiko Cho, Takanobu Yamada, Masahide Kaji, Junya Fujita, Narikazu Boku, Takaki Yoshikawa, Masanori Terashima. The Impact of postoperative complications on survival outcomes in patients with cT3/4a gastric cancer. 2019 ASCO Annual Meeting 2019.06.03 Chicago

  22. Takahiro Kinoshita, Masanori Tokunaga, Akio Kaitou, Takeo Fujita, Hisashi Fujiwara, Akiko Tonouchi, Akira Kameyama, Eigo Akimoto, Takeshi Ono, Hiroyuki Daikou. Clinical outcomes and perspectives of laparoscopic surgery for advanced gastric cancer. The 119th Annual Congress of Japan Surgical Society 2019.04.19 Osaka

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