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Dive into the research topics where Ko Ohata is active.

Publication


Featured researches published by Ko Ohata.


Asian Journal of Endoscopic Surgery | 2015

Video-assisted thoracoscopic esophagectomy in the left lateral decubitus position in an esophageal cancer patient with pectus excavatum.

Shinsuke Sato; Erina Nagai; Hiroyuki Hazama; Yusuke Taki; Michiro Takahashi; Yusuke Kyoden; Masaya Watanabe; Ko Ohata; Hideyuki Kanemoto; Noriyuki Oba; Masakazu Takagi

During thoracic cavity operations, it is difficult to obtain sufficient working space and good operative field visibility in patients with pectus excavatum because the space between the vertebral bodies and sternum is very narrow. Here, we report the successful treatment of esophageal cancer in a patient with pectus excavatum. A 77‐year‐old man with esophageal cancer was referred to our hospital for further treatment. He was diagnosed with multiple early esophageal squamous cell carcinomas. The patient had pectus excavatum, but because it was asymptomatic, a video‐assisted thoracoscopic radical esophagectomy in the left lateral decubitus position without pectus excavatum repair was selected. Despite the patients unusual anatomy, video‐assisted thoracoscopic esophagectomy in the left decubitus position allowed for good operative field visibility, as the videoscope was inserted from the side of the diaphragm. This operative procedure is useful in patients with esophageal cancer who also have pectus excavatum. To the best of our knowledge, this is the second report of video‐assisted thoracoscopic esophagectomy in an esophageal cancer patient with pectus excavatum.


Clinical Journal of Gastroenterology | 2016

A long-surviving case of gastric cancer with main portal vein tumor thrombus after surgical resection and postoperative S-1 therapy

Shinsuke Sato; Erina Nagai; Yusuke Taki; Masaya Watanabe; Michiro Takahashi; Yusuke Kyoden; Ko Ohata; Hideyuki Kanemoto; Noriyuki Oba; Keisei Taku; Makoto Suzuki; Masakazu Takagi


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2014

A Case of Adult Bochdalek Hernia that Occurred during Treatment for Stage IV Breast Cancer

Akiyoshi Nomura; Masaya Watanabe; Ko Ohata; Michiko Tsuneizumi; Noriyuki Oba; Masakazu Takagi


Nihon Gekakei Rengo Gakkaishi (journal of Japanese College of Surgeons) | 2017

Four Cases of Abdominal Tuberculous Lymphadenitis

Ryo Fujikawa; Shinsuke Sato; Takeshi Oshima; Erina Nagai; Yusuke Taki; Ko Ohata; Masaya Watanabe; Kazumori Arai; Hiroyuki Muro; Masakazu Takagi


Nihon Gekakei Rengo Gakkaishi (journal of Japanese College of Surgeons) | 2017

Risk Factors for Postoperative Ileus after Elective Colorectal Surgery

Kotoe Suzuki; Ko Ohata; Hiroshi Yamada; Yohei Kawasaki


Journal of The American College of Surgeons | 2016

Cause and Responsible Microorganisms of Bacteremia after Gastrointestinal Surgery

Yusuke Taki; Tsuneaki Kenzaka; Ko Ohata; Masaya Watanabe; Hideyuki Kanemoto; Shinsuke Sato; Takashi Nakamura; Taro Takeshima; Noriyuki Oba; Masakazu Takagi


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2015

A Case of Solitary Adrenal Gland Metastasis from Transverse Colon Cancer

Takuya Yuge; Shinsuke Sato; Takeshi Oshima; Ko Ohata; Masakazu Takagi; Makoto Suzuki


Nihon Gekakei Rengo Gakkaishi (journal of Japanese College of Surgeons) | 2015

A Case of Esophageal GIST that was Resected Thoracoscopically Under Artificial Pneumothorax with the Patient in the Right Lateral Position

Makoto Tomatsu; Shinsuke Sato; Erina Nagai; Yusuke Taki; Masaya Watanabe; Ko Ohata; Hideyuki Kanemoto; Noriyuki Oba; Kazumori Arai; Masakazu Takagi


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2014

Squamous Cell Carcinoma Arising in a Presacral Epidermoid Cyst—A Case Report—

Tomohito Sato; Masaya Watanabe; Shinsuke Sato; Ko Ohata; Noriyuki Oba; Masakazu Takagi


The Japanese Journal of Gastroenterological Surgery | 2013

Intractable Hepatic Lymphorrhea after Laparoscopic Cholecystectomy

Tomohiro Matsumoto; Jyoji Iseki; Yusuke Kyoden; Noriyuki Oba; Masakazu Takagi; Masaya Watanabe; Ko Ohata; Shinsuke Sato; Erina Nagai

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Yusuke Taki

Jichi Medical University

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