R Ashida

Publications (28)

Detectability of fiducials' positions for real-time target tracking system equipping with a standard linac for multiple fiducial markers.

Journal of applied clinical medical physics

Avec: Shunsuke Ono , Yoshihiro Ueda , Shingo Ohira , Masaru Isono , Iori Sumida , Shoki Inui , Masahiro Morimoto , Reiko Ashida , Masayoshi Miyazaki , Kazuhiko Ogawa , Teruki Teshima

The prognostic roles of the prognostic nutritional index in patients with intraductal papillary mucinous neoplasm.

Scientific reports

Avec: Yukiyasu Okamura , Teiichi Sugiura , Takaaki Ito , Yusuke Yamamoto , Ryo Ashida , Katsuhisa Ohgi , Keiko Sasaki , Hiroto Narimatsu , Katsuhiko Uesaka

Anatomical resection is useful for the treatment of primary solitary hepatocellular carcinoma with predicted microscopic vessel invasion and/or intrahepatic metastasis.

Surgery today

Avec: Yukiyasu Okamura , Teiichi Sugiura , Takaaki Ito , Yusuke Yamamoto , Ryo Ashida , Katsuhisa Ohgi , Takeshi Aramaki , Katsuhiko Uesaka

The evaluation of the 8th and 7th edition of the American joint committee on cancer tumor classification for distal cholangiocarcinoma: the proposal of a modified new tumor classification.

HPB : the official journal of the International Hepato Pancreato Biliary Association

Avec: Shunsuke Tamura , Yusuke Yamamoto , Teiichi Sugiura , Yukiyasu Okamura , Takaaki Ito , Ryo Ashida , Katsuhisa Ohgi , Keiko Sasaki , Takashi Sugino , Katsuhiko Uesaka

Predictive Factors for Pancreatic Cancer and Its Early Detection Using Special Pancreatic Ultrasonography in High-Risk Individuals.

Cancers

Avec: Junko Fukuda , Kenji Ikezawa , Miho Nakao , Suetsumi Okagaki , Reiko Ashida , Tatsuya Ioka , Ryoji Takada , Takuo Yamai , Nobuyasu Fukutake , Hiroyuki Uehara , Shigenori Nagata , Hidenori Takahashi , Takahiro Tabuchi , Sachiko Tanaka , Kazuyoshi Ohkawa , Kazuhiro Katayama

Covered self-expandable metal stents versus plastic stents for preoperative biliary drainage in patient receiving neo-adjuvant chemotherapy for borderline resectable pancreatic cancer: Prospective randomized study.

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society

Avec: Takashi Tamura , Masahiro Itonaga , Reiko Ashida , Yasunobu Yamashita , Keiichi Hatamaru , Yuki Kawaji , Tomoya Emori , Yuji Kitahata , Motoki Miyazawa , Seiko Hirono , Ken-Ichi Okada , Manabu Kawai , Toshio Shimokawa , Hiroki Yamaue , Masayuki Kitano

The impact of posthepatectomy liver failure on long-term survival after hepatectomy for colorectal liver metastasis.

HPB : the official journal of the International Hepato Pancreato Biliary Association

Avec: Takaaki Ito , Teiichi Sugiura , Yukiyasu Okamura , Yusuke Yamamoto , Ryo Ashida , Katsuhiko Uesaka

Pancreatic attenuation on computed tomography predicts pancreatic fistula after pancreaticoduodenectomy.

HPB : the official journal of the International Hepato Pancreato Biliary Association

Avec: Katsuhisa Ohgi , Yukiyasu Okamura , Teiichi Sugiura , Takaaki Ito , Yusuke Yamamoto , Ryo Ashida , Takeshi Aramaki , Katsuhiko Uesaka

Osteoclast-like Giant Cell-type Pancreatic Anaplastic Carcinoma Presenting with a Duodenal Polypoid Lesion.

Internal medicine (Tokyo, Japan)

Avec: Hiroyuki Matsubayashi , Junichi Kaneko , Junya Sato , Tatsunori Satoh , Hirotoshi Ishiwatari , Teichi Sugiura , Ryo Ashida , Katsuhiko Uesaka , Keiko Sasaki , Hiroyuki Ono

A comparison of the outcomes between surgical resection and proton beam therapy for single primary hepatocellular carcinoma.

Surgery today

Avec: Shunsuke Tamura , Yukiyasu Okamura , Teiichi Sugiura , Takaaki Ito , Yusuke Yamamoto , Ryo Ashida , Katsuhisa Ohgi , Shigeyuki Murayama , Katsuhiko Uesaka

Primary non-ampullary duodenal follicular lymphoma presenting with obstructive jaundice.

Clinical journal of gastroenterology

Avec: Junya Sato , Hirotoshi Ishiwatari , Ryo Ashida , Keiko Sasaki , Shinya Fujie , Junichi Kaneko , Tatsunori Satoh , Hiroyuki Matsubayashi , Yoshihiro Kishida , Masao Yoshida , Sayo Ito , Noboru Kawata , Kenichiro Imai , Naomi Kakushima , Kohei Takizawa , Kinichi Hotta , Katsuhiko Uesaka , Hiroyuki Ono

Benign Portal Vein Stenosis After Pancreaticoduodenectomy.

World journal of surgery

Avec: Katsuhisa Ohgi , Teiichi Sugiura , Yusuke Yamamoto , Yukiyasu Okamura , Takaaki Ito , Ryo Ashida , Takeshi Aramaki , Katsuhiko Uesaka

The Safety and Survival Outcome of Hepatectomy with Combined Bile Duct Resection for Colorectal Liver Metastasis.

World journal of surgery

Avec: Takaaki Ito , Teiichi Sugiura , Yukiyasu Okamura , Yusuke Yamamoto , Ryo Ashida , Katsuhisa Ohgi , Hirofumi Yasui , Kentaro Yamazaki , Katsuhiko Uesaka

Adjuvant chemoradiotherapy for positive hepatic ductal margin on cholangiocarcinoma.

Annals of gastroenterological surgery

Avec: Teiichi Sugiura , Katsuhiko Uesaka , Yukiyasu Okamura , Takaaki Ito , Yusuke Yamamoto , Ryo Ashida , Katsuhisa Ohgi , Hirofumi Asakura , Akiko Todaka , Akira Fukutomi

Propensity score-matched analysis of internal stent vs external stent for pancreatojejunostomy during pancreaticoduodenectomy: Japanese-Korean cooperative project.

Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]

Avec: Manabu Kawai , Hiroki Yamaue , Jin-Young Jang , Katsuhiko Uesaka , Michiaki Unno , Masafumi Nakamura , Tsutomu Fujii , Sohei Satoi , Seong Ho Choi , Masayuki Sho , Takumi Fukumoto , Song Cheol Kim , Tae Ho Hong , Wataru Izumo , Dong Sup Yoon , Ryosuke Amano , Sang-Jae Park , Sae Byeol Choi , Hee Chul Yu , Joo Seop Kim , Young Joon Ahn , Hongbeom Kim , Ryo Ashida , Seiko Hirono , Jin Seok Heo , Ki Byung Song , Joon Seong Park , Masakazu Yamamoto , Toshio Shimokawa , Sun-Whe Kim

Two Hundred Twenty-Six Consecutive Deep Brain Stimulation Electrodes Placed Using an "Asleep" Technique and the Neuro|MateTM Robot for the Treatment of Movement Disorders.

Operative neurosurgery (Hagerstown, Md.)

Avec: Catherine Moran , Nagaraja Sarangmat , Carter S Gerard , Neil Barua , Reiko Ashida , Max Woolley , Mariusz Pietrzyk , Steven S Gill

Endoscopic ultrasound-guided fiducial marker placement for neoadjuvant chemoradiation therapy for resectable pancreatic cancer.

World journal of gastrointestinal oncology

Avec: Reiko Ashida , Nobuyasu Fukutake , Ryoji Takada , Tatsuya Ioka , Kazuyoshi Ohkawa , Kazuhiro Katayama , Hirofumi Akita , Hidenori Takahashi , Shingo Ohira , Teruki Teshima

Deep Brain Stimulation for Facial Pain.

Progress in neurological surgery

Avec: William G B Singleton , Reiko Ashida , Nikunj K Patel

Systemic immune-inflammation index as a prognostic marker for distal cholangiocarcinoma.

Surgery today

Avec: Fumihiro Terasaki , Teiichi Sugiura , Yukiyasu Okamura , Takaaki Ito , Yusuke Yamamoto , Ryo Ashida , Katsuhisa Ohgi , Katsuhiko Uesaka

Highly hypofractionated intensity-modulated radiation therapy for nonmetastatic prostate cancer with a simultaneous integrated boost to intraprostatic lesions: a planning study.

Japanese journal of radiology

Avec: Ryo Ashida , Kiyonao Nakamura , Rihito Aizawa , Hiraku Iramina , Kenji Takayama , Mitsuhiro Nakamura , Takashi Mizowaki

Prognostic Impact of Indicators of Systemic Inflammation and the Nutritional Status of Patients with Resected Carcinoma of the Ampulla of Vater: A Single-Center Retrospective Study.

World journal of surgery

Avec: Yuji Shimizu , Ryo Ashida , Teiichi Sugiura , Yukiyasu Okamura , Takaaki Ito , Yusuke Yamamoto , Katsuhisa Ohgi , Shimpei Otsuka , Akifumi Notsu , Katsuhiko Uesaka

Clinical Significance of Preoperative Albumin-Bilirubin Grade in Pancreatic Cancer.

Annals of surgical oncology

Avec: Taisuke Imamura , Yukiyasu Okamura , Teiichi Sugiura , Takaaki Ito , Yusuke Yamamoto , Ryo Ashida , Katsuhisa Ohgi , Shimpei Otsuka , Katsuhiko Uesaka

Prognostic Value of Carbohydrate Antigen 19-9 and the Surgical Margin in Extrahepatic Cholangiocarcinoma.

Annals of gastroenterological surgery

Avec: Ryusei Yamamoto , Teiichi Sugiura , Ryo Ashida , Katsuhisa Ohgi , Mihoko Yamada , Shimpei Otsuka , Katsuhiko Uesaka

Contrast-enhanced harmonic endoscopic ultrasonography for predicting the efficacy of first-line gemcitabine and nab-paclitaxel chemotherapy in pancreatic cancer.

Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]

Avec: Tomoya Emori , Reiko Ashida , Takashi Tamura , Yuki Kawaji , Keiichi Hatamaru , Masahiro Itonaga , Yasunobu Yamashita , Toshio Shimokawa , Nobuyuki Higashino , Akira Ikoma , Tetsuo Sonomura , Manabu Kawai , Masayuki Kitano

Granular cell tumor of the pancreas with chronic dilation of the main pancreatic duct.

Clinical journal of gastroenterology

Avec: Yuya Miura , Katsuhisa Ohgi , Teiichi Sugiura , Ryo Ashida , Mihoko Yamada , Shimpei Otsuka , Keiko Sasaki , Katsuhiko Uesaka

The usefulness of liquid-based cytology for endoscopic ultrasound-guided tissue acquisition of solid pancreatic masses.

Frontiers in medicine

Avec: Masahiro Itonaga , Reiko Ashida , Masayuki Kitano

Overview and clinical significance of multiple mutations in individual genes in hepatocellular carcinoma.

BMC cancer

Avec: Taisuke Imamura , Yukiyasu Okamura , Keiichi Ohshima , Katsuhiko Uesaka , Teiichi Sugiura , Takaaki Ito , Yusuke Yamamoto , Ryo Ashida , Katsuhisa Ohgi , Shimpei Otsuka , Sumiko Ohnami , Takeshi Nagashima , Keiichi Hatakeyama , Takashi Sugino , Kenichi Urakami , Yasuto Akiyama , Ken Yamaguchi

Development of a Novel Mild Depolymerization Method of Coal by Combining Oxygen Oxidation and Formic Acid Reduction Reactions.

ACS omega

Avec: Jie Ren , Ryuichi Ashida , Motoaki Kawase , Koji Sakai , Noriyuki Okuyama

Réseau de co-auteurs

Ryo Ashida 19 collaborations

Katsuhiko Uesaka 18 collaborations

Teiichi Sugiura 15 collaborations

Katsuhisa Ohgi 14 collaborations

Yukiyasu Okamura 13 collaborations

Takaaki Ito 13 collaborations

Yusuke Yamamoto 13 collaborations

Reiko Ashida 8 collaborations

Keiko Sasaki 5 collaborations

Shimpei Otsuka 5 collaborations

Takeshi Aramaki 3 collaborations

Masahiro Itonaga 3 collaborations

Manabu Kawai 3 collaborations

Toshio Shimokawa 3 collaborations

Masayuki Kitano 3 collaborations

Shingo Ohira 2 collaborations

Teruki Teshima 2 collaborations

Shunsuke Tamura 2 collaborations

Takashi Sugino 2 collaborations

Tatsuya Ioka 2 collaborations

Ryoji Takada 2 collaborations

Nobuyasu Fukutake 2 collaborations

Hidenori Takahashi 2 collaborations

Kazuyoshi Ohkawa 2 collaborations

Kazuhiro Katayama 2 collaborations

Takashi Tamura 2 collaborations

Yasunobu Yamashita 2 collaborations

Keiichi Hatamaru 2 collaborations

Yuki Kawaji 2 collaborations

Tomoya Emori 2 collaborations

Seiko Hirono 2 collaborations

Hiroki Yamaue 2 collaborations

Hiroyuki Matsubayashi 2 collaborations

Junichi Kaneko 2 collaborations

Junya Sato 2 collaborations

Tatsunori Satoh 2 collaborations

Hirotoshi Ishiwatari 2 collaborations

Hiroyuki Ono 2 collaborations

Taisuke Imamura 2 collaborations

Mihoko Yamada 2 collaborations

Shunsuke Ono 1 collaboration

Yoshihiro Ueda 1 collaboration

Masaru Isono 1 collaboration

Iori Sumida 1 collaboration

Shoki Inui 1 collaboration

Masahiro Morimoto 1 collaboration

Masayoshi Miyazaki 1 collaboration

Kazuhiko Ogawa 1 collaboration

Hiroto Narimatsu 1 collaboration

Junko Fukuda 1 collaboration

Kenji Ikezawa 1 collaboration

Miho Nakao 1 collaboration

Suetsumi Okagaki 1 collaboration

Takuo Yamai 1 collaboration

Hiroyuki Uehara 1 collaboration

Shigenori Nagata 1 collaboration

Takahiro Tabuchi 1 collaboration

Sachiko Tanaka 1 collaboration

Yuji Kitahata 1 collaboration

Motoki Miyazawa 1 collaboration

Ken-Ichi Okada 1 collaboration

Teichi Sugiura 1 collaboration

Shigeyuki Murayama 1 collaboration

Shinya Fujie 1 collaboration

Yoshihiro Kishida 1 collaboration

Masao Yoshida 1 collaboration

Sayo Ito 1 collaboration

Noboru Kawata 1 collaboration

Kenichiro Imai 1 collaboration

Naomi Kakushima 1 collaboration

Kohei Takizawa 1 collaboration

Kinichi Hotta 1 collaboration

Hirofumi Yasui 1 collaboration

Kentaro Yamazaki 1 collaboration

Hirofumi Asakura 1 collaboration

Akiko Todaka 1 collaboration

Akira Fukutomi 1 collaboration

Jin-Young Jang 1 collaboration

Michiaki Unno 1 collaboration

Masafumi Nakamura 1 collaboration

Tsutomu Fujii 1 collaboration

Sohei Satoi 1 collaboration

Seong Ho Choi 1 collaboration

Masayuki Sho 1 collaboration

Takumi Fukumoto 1 collaboration

Song Cheol Kim 1 collaboration

Tae Ho Hong 1 collaboration

Wataru Izumo 1 collaboration

Dong Sup Yoon 1 collaboration

Ryosuke Amano 1 collaboration

Sang-Jae Park 1 collaboration

Sae Byeol Choi 1 collaboration

Hee Chul Yu 1 collaboration

Joo Seop Kim 1 collaboration

Young Joon Ahn 1 collaboration

Hongbeom Kim 1 collaboration

Jin Seok Heo 1 collaboration

Ki Byung Song 1 collaboration

Joon Seong Park 1 collaboration

Masakazu Yamamoto 1 collaboration

Sun-Whe Kim 1 collaboration

Catherine Moran 1 collaboration

Nagaraja Sarangmat 1 collaboration

Carter S Gerard 1 collaboration

Neil Barua 1 collaboration

Max Woolley 1 collaboration

Mariusz Pietrzyk 1 collaboration

Steven S Gill 1 collaboration

Hirofumi Akita 1 collaboration

William G B Singleton 1 collaboration

Nikunj K Patel 1 collaboration

Fumihiro Terasaki 1 collaboration

Kiyonao Nakamura 1 collaboration

Rihito Aizawa 1 collaboration

Hiraku Iramina 1 collaboration

Kenji Takayama 1 collaboration

Mitsuhiro Nakamura 1 collaboration

Takashi Mizowaki 1 collaboration

Yuji Shimizu 1 collaboration

Akifumi Notsu 1 collaboration

Ryusei Yamamoto 1 collaboration

Nobuyuki Higashino 1 collaboration

Akira Ikoma 1 collaboration

Tetsuo Sonomura 1 collaboration

Yuya Miura 1 collaboration

Keiichi Ohshima 1 collaboration

Sumiko Ohnami 1 collaboration

Takeshi Nagashima 1 collaboration

Keiichi Hatakeyama 1 collaboration

Kenichi Urakami 1 collaboration

Yasuto Akiyama 1 collaboration

Ken Yamaguchi 1 collaboration

Jie Ren 1 collaboration

Ryuichi Ashida 1 collaboration

Motoaki Kawase 1 collaboration

Koji Sakai 1 collaboration

Noriyuki Okuyama 1 collaboration