Ryo Ashida

Affiliations

Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Center Hospital, 1007, Shimo-Nagakubo, Sunto-Nagaizumi, Shizuoka, 411-8777, Japan.

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

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