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130 results on '"Kadokawa, Yoshio"'

1. Management challenges and the role of adjuvant chemotherapy in remnant gastric cancer: an analysis of 313 patients from the KEGG multicenter observational study

Author

Okamura, Ryosuke, Aoyama, Ryuhei, Tsunoda, Shigeru, 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, Jikihara, Shunpei, Kasahara, Keiko, Sakamoto, Takashi, Okumura, Shintaro, Maekawa, Hisatsugu, Nishigori, Tatsuto, Hisamori, Shigeo, and Obama, Kazutaka

Published
2024
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2. 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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3. 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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4. Mesenteric closure after laparoscopic total gastrectomy with Roux-en-Y reconstruction is effective for prevention of internal hernia: a multicenter retrospective study

Author

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

Published
2022
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5. 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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8. 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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11. Comparative Outcomes of Laparoscopic Gastrectomy and Open Gastrectomy for Scirrhous Gastric Cancer: A Multicenter Retrospective Cohort Study

Author

Fujita, Yusuke, Nishigori, Tatsuto, Kadokawa, Yoshio, Itami, Atsushi, Kondo, Masato, Hosogi, Hisahiro, Kanaya, Seiichiro, Kawada, Hironori, Hata, Hiroaki, Yamamoto, Michihiro, Kinjo, Yousuke, Tanaka, Eiji, Manaka, Dai, Satoh, Seiji, Okabe, Hiroshi, Tsunoda, Shigeru, Sakaguchi, Masazumi, Hisamori, Shigeo, Hida, Koya, Tanaka, Shiro, and Obama, Kazutaka

Published
2021
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13. A Multicenter Phase 2 Study on the Feasibility and Efficacy of Neoadjuvant Chemotherapy Without Radiotherapy for Locally Advanced Rectal Cancer

Author

Hasegawa, Suguru, Goto, Saori, Matsumoto, Takuya, Hida, Koya, Kawada, Kenji, Matsusue, Ryo, Yamaguchi, Takashi, Nishitai, Ryuta, Manaka, Dai, Kato, Shigeru, Kadokawa, Yoshio, Yamanokuchi, Satoshi, Kawamura, Junichiro, Zaima, Masazumi, Kyogoku, Takahisa, Kanazawa, Akiyoshi, Mori, Yukiko, Kanai, Masashi, Matsumoto, Shigemi, and Sakai, Yoshiharu

Published
2017
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16. Mesenteric closure after laparoscopic total gastrectomy with Roux-en-Y reconstruction is effective for prevention of internal hernia: a multicenter retrospective study

Author

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

Published
2021
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17. PTEN is a Predictive Biomarker of Trastuzumab Resistance and Prognostic Factor in HER2-overexpressing Gastroesophageal Adenocarcinoma

Author

Yokoyama, Daiju, primary, Hisamori, Shigeo, additional, Deguchi, Yasunori, additional, Nishigori, Tatsuto, additional, Okabe, Hiroshi, additional, Kanaya, Seiichiro, additional, Manaka, Dai, additional, Kadokawa, Yoshio, additional, Hata, Hiroaki, additional, Minamiguchi, Sachiko, additional, Tsunoda, Shigeru, additional, Obama, Kazutaka, additional, and Sakai, Yoshiharu, additional

Published
2021
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18. Changes in the sexual function of male patients with rectal cancer over a 2‐year period from diagnosis to 24‐month follow‐up: A prospective, multicenter, cohort study

Author

Sakamoto, Takashi, primary, Hida, Koya, additional, Hoshino, Nobuaki, additional, Yamaguchi, Takashi, additional, Manaka, Dai, additional, Yamada, Masahiro, additional, Kadokawa, Yoshio, additional, Yamanokuchi, Satoshi, additional, Kondo, Masato, additional, Kanazawa, Akiyoshi, additional, Abe, Hiroyasu, additional, Okada, Tomoaki, additional, Morita, Satoshi, additional, and Sakai, Yoshiharu, additional

Published
2020
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19. Linear or circular stapler? A propensity score-matched, multicenter analysis of intracorporeal esophagojejunostomy following totally laparoscopic total gastrectomy

Author

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

Published
2019
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25. Long-term outcomes of preoperative docetaxel with cisplatin plus S-1 therapy for gastric cancer with extensive nodal metastasis (JCOG1002).

Author

Takahari, Daisuke, Ito, Seiji, Mizusawa, Junki, Katayama, Hiroshi, Terashima, Masanori, Sasako, Mitsuru, Morita, Shinji, Nomura, Takashi, Yamada, Makoto, Fujiwara, Yoshiyuki, Kimura, Yutaka, Ikeda, Atsuki, Kadokawa, Yoshio, and Sano, Takeshi

Subjects
STOMACH cancer, DOCETAXEL, LYMPH node cancer, CANCER treatment, METASTASIS, HYPERTHERMIC intraperitoneal chemotherapy
Abstract

Background: Preoperative chemotherapy with cisplatin plus S-1 (CS) followed by gastrectomy with D2 plus para-aortic lymph node (PAN) dissection is regarded as a standard treatment in Japan for advanced gastric cancer with bulky lymph node (BN) and/or PAN metastasis. In the JCOG1002, we added docetaxel to CS (DCS) to further improve long-term outcomes. However, the primary endpoint, clinical response rate (RR), did not reach the expected level (Ito et al. in Gastric Cancer 20:322–31, 2017). Herein, we report our long-term survival results. Methods: Patients with BN and/or PAN metastasis received 2 or 3 cycles of DCS therapy (docetaxel at 40 mg/m2 and cisplatin at 60 mg/m2 on day 1 and S-1 at 80 mg/m2 per day for 2 weeks, followed by a 2-week rest) followed by gastrectomy with D2 plus PAN dissection and postoperative S-1 for 1 year. Results: Between July 2011 and May 2013, 53 patients were enrolled. Clinically, 17.0% had both PAN and BN metastasis, and the rest had either PAN (26.4%) or BN (56.6%) metastasis. Among all eligible patients, the 5-year overall survival was 54.9% (95% confidence interval 40.3–67.3%) at the last follow-up in May 2018. Among 44 eligible patients with R0 resection, the 5-year relapse-free survival was 47.7% (95% confidence interval 32.5–61.5%). Conclusions: Adding docetaxel to CS in preoperative chemotherapy for extensive nodal metastasis improved neither short-term outcomes nor long-term survival. Preoperative chemotherapy with CS followed by D2 + PAN dissection and postoperative S-1 remains the standard of care for patients with extensive nodal metastasis. [ABSTRACT FROM AUTHOR]

Published
2020
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27. Feasibility of Extended Dissection of Lateral Pelvic Lymph Nodes During Laparoscopic Total Mesorectal Excision in Patients with Locally Advanced Lower Rectal Cancer: A Single-Center Pilot Study After Neoadjuvant Chemotherapy

Author

Aisu, Yuki, primary, Kato, Shigeru, additional, Kadokawa, Yoshio, additional, Yasukawa, Daiki, additional, Kimura, Yusuke, additional, Takamatsu, Yuichi, additional, Kitano, Taku, additional, and Hori, Tomohide, additional

Published
2018
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29. Intentional Modulation of Portal Venous Pressure by Splenectomy Saves the Patient with Liver Failure and Portal Hypertension After Major Hepatectomy: Is Delayed Splenectomy an Acceptable Therapeutic Option for Secondary Portal Hypertension?

Author

Takamatsu, Yuichi, primary, Hori, Tomohide, additional, Machimoto, Takafumi, additional, Hata, Toshiyuki, additional, Kadokawa, Yoshio, additional, Ito, Tatsuo, additional, Kato, Shigeru, additional, Yasukawa, Daiki, additional, Aisu, Yuki, additional, Kimura, Yusuke, additional, Kitano, Taku, additional, and Yoshimura, Tsunehiro, additional

Published
2018
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30. Postoperative Biliary Leak Treated with Chemical Bile Duct Ablation Using Absolute Ethanol: A Report of Two Cases

Author

Sasaki, Maho, primary, Hori, Tomohide, additional, Furuyama, Hiroaki, additional, Machimoto, Takafumi, additional, Hata, Toshiyuki, additional, Kadokawa, Yoshio, additional, Ito, Tatsuo, additional, Kato, Shigeru, additional, Yasukawa, Daiki, additional, Aisu, Yuki, additional, Kimura, Yusuke, additional, Takamatsu, Yuichi, additional, Kitano, Taku, additional, and Yoshimura, Tsunehiro, additional

Published
2017
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31. Outcome of a Modified Laparoscopic Suture Rectopexy for Rectal Prolapse with the Use of a Single or Double Suture: A Case Series of 15 Patients

Author

Yasukawa, Daiki, primary, Hori, Tomohide, additional, Machimoto, Takafumi, additional, Hata, Toshiyuki, additional, Kadokawa, Yoshio, additional, Ito, Tatsuo, additional, Kato, Shigeru, additional, Aisu, Yuki, additional, Kimura, Yusuke, additional, Takamatsu, Yuichi, additional, Kitano, Taku, additional, and Yoshimura, Tsunehiro, additional

Published
2017
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32. Laparoscopic appendectomy for acute appendicitis: How to discourage surgeons using inadequate therapy

Author

Hori, Tomohide, primary, Machimoto, Takafumi, additional, Kadokawa, Yoshio, additional, Hata, Toshiyuki, additional, Ito, Tatsuo, additional, Kato, Shigeru, additional, Yasukawa, Daiki, additional, Aisu, Yuki, additional, Kimura, Yusuke, additional, Sasaki, Maho, additional, Takamatsu, Yuichi, additional, Kitano, Taku, additional, Hisamori, Shigeo, additional, and Yoshimura, Tsunehiro, additional

Published
2017
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34. Solitary Metastasis to a Distant Lymph Node in the Descending Mesocolon After Primary Resection for Hepatocellular Carcinoma: Is Surgical Resection Valid?

Author

Aisu, Yuki, primary, Furuyama, Hiroaki, additional, Hori, Tomohide, additional, Machimoto, Takafumi, additional, Hata, Toshiyuki, additional, Kadokawa, Yoshio, additional, Kato, Shigeru, additional, Ando, Yasuhisa, additional, Uchida, Yuichiro, additional, Yasukawa, Daiki, additional, Kimura, Yusuke, additional, Sasaki, Maho, additional, Takamatsu, Yuichiro, additional, and Yoshimura, Tunehiro, additional

Published
2016
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35. Safety and feasibility of laparoscopic gastrectomy accompanied by D1+ lymph node dissection for early gastric cancer in elderly patients.

Author

Yasukawa, Daiki, Kadokawa, Yoshio, Kato, Shigeru, Aisu, Yuki, and Hori, Tomohide

Subjects
*OLDER patients, *LYMPH nodes, *LYMPHADENECTOMY, *GASTRECTOMY, *CANCER patients, *SURGICAL complications
Abstract

Introduction: The age of patients with gastric cancer has increased worldwide. The aim of this study was to investigate the safety and feasibility of laparoscopic gastrectomy (LG) for early gastric cancer in elderly patients. Methods: We retrospectively investigated 221 consecutive patients who underwent LG for early gastric cancer during a 5‐year period (January 2010 to December 2014). We divided the patients into two groups: elderly patients (≥75 years old) and younger patients (<75 years old). We compared these two groups with respect to clinical characteristics, histopathological findings, intraoperative factors, and postoperative outcomes. Results: The preoperative characteristics were similar in both groups. Except for the number of harvested lymph nodes (42.0 vs 34.9; P = 0.0016), the short‐term operative outcomes, including postoperative complications and histopathological findings, were comparable between the two groups. Although significantly fewer lymph nodes were harvested in the elderly group, the overall survival and relapse‐free survival rates did not significantly differ between the groups. Postoperative complications, such as acute cholecystitis and internal hernia, occurred during the long‐term postoperative period after LG, and these unexpected complications were more frequently observed in elderly patients. All elderly patients required additional emergent surgeries for delayed complications. Conclusion: The outcomes of LG for early gastric cancer in elderly patients seem to be reasonable. Aggressive lymph node dissection may be omissible in elderly patients with acceptable results. LG can be a safe and feasible procedure in elderly patients. However, the higher rate of delayed but urgent complications during the long‐term postoperative period must be considered. [ABSTRACT FROM AUTHOR]

Published
2019
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36. A multicenter phase II study on the feasibility and efficacy of neoadjuvant chemotherapy for locally advanced rectal cancer.

Author

Goto, Saori, primary, Hasegawa, Suguru, additional, Matsumoto, Takuya, additional, Hida, Koya, additional, Kawamura, Junichiro, additional, Yamanokuchi, Satoshi, additional, Yamaguchi, Takashi, additional, Matsusue, Ryo, additional, Kadokawa, Yoshio, additional, Kato, Shigeru, additional, Manaka, Dai, additional, Nishitai, Ryuta, additional, Nomura, Akinari, additional, Kanazawa, Akiyoshi, additional, Kawada, Kenji, additional, Kyogoku, Takahisa, additional, and Sakai, Yoshiharu, additional

Published
2016
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37. Protocol for laparoscopic cholecystectomy: Is it rocket science?

Author

Hori, Tomohide, primary, Oike, Fumitaka, additional, Furuyama, Hiroaki, additional, Machimoto, Takafumi, additional, Kadokawa, Yoshio, additional, Hata, Toshiyuki, additional, Kato, Shigeru, additional, Yasukawa, Daiki, additional, Aisu, Yuki, additional, Sasaki, Maho, additional, Kimura, Yusuke, additional, Takamatsu, Yuichiro, additional, Naito, Masato, additional, Nakauchi, Masaya, additional, Tanaka, Takahiro, additional, Gunji, Daigo, additional, Nakamura, Kiyokuni, additional, Sato, Kiyoko, additional, Mizuno, Masahiro, additional, Iida, Taku, additional, Yagi, Shintaro, additional, Uemoto, Shinji, additional, and Yoshimura, Tsunehiro, additional

Published
2016
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49. Esophagogastrostomy Versus Double Tract Reconstruction for Laparoscopic Proximal Gastrectomy: Short-term Outcomes Based on Nutritional Parameters and Skeletal Muscle Index.

Author

Morino K, Kitano T, Kadokawa Y, Nakanishi N, Yamamoto M, and Machimoto T

Subjects
Humans, Male, Female, Middle Aged, Aged, Treatment Outcome, Retrospective Studies, Nutritional Status, Postoperative Complications epidemiology, Postoperative Complications etiology, Gastrectomy methods, Gastrectomy adverse effects, Laparoscopy methods, Laparoscopy adverse effects, Muscle, Skeletal surgery, Plastic Surgery Procedures methods, Plastic Surgery Procedures adverse effects, Stomach Neoplasms surgery, Stomach Neoplasms pathology, Gastrostomy methods, Gastrostomy adverse effects
Abstract

Background/aim: The optimal reconstruction method for laparoscopic proximal gastrectomy (LPG) remains controversial. The present study aimed to compare short-term outcomes, including assessment of nutritional parameters and skeletal muscle, between two different methods, double-tract reconstruction (DTR) versus esophagogastrostomy (EG)., Patients and Methods: Data from patients who underwent LPG for gastric tumor(s) between 2018 and 2021, were retrospectively analyzed. Patients were divided into two group: DTR (n=11) and EG (n=17). Since 2020, the authors have applied the modified side overlap with fundoplication by Yamashita (mSOFY) method as the EG technique., Results: Compared with DTR, EG was associated with a shorter reconstruction time (p=0.003). Complications of grade ≥3 occurred only in the EG group [n=4 (23.5%)] and the incidence of abnormal endoscopic findings after surgery was numerically higher in the EG group (n=2 vs. n=9; p=0.047). Across virtually all data points on the line graph, the EG group exhibited greater changes in post-discharge nutritional parameters, with Skeletal Muscle Index also demonstrating significant superiority (0.83 vs. 0.89; p=0.045)., Conclusion: Among reconstruction methods for LPG, EG demonstrated superiority over DTR in preserving nutritional parameters and skeletal muscle mass. However, further research, including larger cohorts and longer-term follow-up, is necessary to validate this finding., (Copyright © 2024, International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.)

Published
2024
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50. [Locally Advanced Gastric Cancer Showing Marked Tumor Shrinkage after the First Dose of Nivolumab for Fourth-Line Chemotherapy].

Author

Ochi S, Kadokawa Y, Iwasaki Y, Yamanaka R, Nakanishi N, Matsumura S, Kitano T, Horie H, Takamatsu Y, Nakano K, Goto T, Kato S, Saito S, Tanaka H, and Machimoto T

Subjects
Aged, Antineoplastic Combined Chemotherapy Protocols, Female, Humans, Nivolumab therapeutic use, Neoplasms, Second Primary, Stomach Neoplasms drug therapy
Abstract

We report a case of locally advanced gastric cancer, which showed marked tumor shrinkage after the first dose of nivolumab. A 75-year-old woman was diagnosed with locally advanced gastric cancer with pancreatic invasion and pyloric stenosis. We performed gastrojejunostomy before chemotherapy. The first-line, second-line, and third-line chemotherapies were not effective, resulting in tumor progression and necrosis with abdominal wall penetration. Her performance status was good, so we started nivolumab therapy as the fourth-line chemotherapy. Nine days after the first dose of nivolumab, she had a severe abdominal pain and a sense of fatigue. CT imaging showed a remarkable degree of tumor necrosis just beneath the skin. We diagnosed progressive disease and discontinued the chemotherapy. However, her general condition gradually improved and CT imaging 4 months after the first dose of nivolumab showed marked tumor shrinkage. We restarted nivolumab therapy and she has been alive for 2 years 10 months since the introduction of chemotherapy. It was suggested that a single dose of nivolumab only could lead to marked tumor shrinkage in chemotherapy for advanced gastric cancer.

Published
2021

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