Takeshi Okamoto

Publication Activity (10 Years)

Years Active: 2020-2024
Publications (10 Years): 46

Top Topics

Endoscopic Submucosal Dissection

Clinical Evaluation

Metastatic Breast Cancer

Top Venues

Clinical journal of gastroenterology

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society

This page only lists publications with an associated author ORCID identifier.

Publications

Takeshi Okamoto, Tsuyoshi Takeda, Takashi Sasaki, Yosuke Inoue, Takafumi Mie, Tatsuki Hirai, Takahiro Ishitsuka, Manabu Yamada, Hiroki Nakagawa, Takaaki Furukawa, Akiyoshi Kasuga, Masato Ozaka, Yu Takahashi, Naoki Sasahira
Liver Oligometastasis in Biliary Tract Cancer and Impact on Survival Outcomes. Journal of gastrointestinal cancer (2024)
Takafumi Mie, Takashi Sasaki, Takeshi Okamoto, Takaaki Furukawa, Tsuyoshi Takeda, Akiyoshi Kasuga, Masato Ozaka, Naoki Sasahira
Current Status of Targeted Therapy for Biliary Tract Cancer in the Era of Precision Medicine. Cancers 16 (5) (2024)
Takafumi Mie, Takashi Sasaki, Takeshi Okamoto, Takaaki Furukawa, Tsuyoshi Takeda, Akiyoshi Kasuga, Masato Ozaka, Naoki Sasahira
Current Status of Targeted Therapy for Biliary Tract Cancer in the Era of Precision Medicine. Cancers 16 (5) (2024)
Yuto Yamada, Takashi Sasaki, Tsuyoshi Takeda, Takeshi Okamoto, Takafumi Mie, Chinatsu Yonekura, Takaaki Furukawa, Akiyoshi Kasuga, Masato Matsuyama, Masato Ozaka, Takahisa Matsuda, Yoshinori Igarashi, Naoki Sasahira
Removal of Duckbill-type laser-cut anti-reflux metal stents: Clinical evaluation and in vitro study. DEN open 3 (1) (2023)
Takafumi Mie, Takashi Sasaki, Tsuyoshi Takeda, Takeshi Okamoto, Tsuyoshi Hamada, Takahiro Ishitsuka, Manabu Yamada, Hiroki Nakagawa, Takaaki Furukawa, Akiyoshi Kasuga, Masato Matsuyama, Masato Ozaka, Naoki Sasahira
Treatment Outcomes and Prognostic Factors of Gemcitabine Plus Nab-Paclitaxel as Second-Line Chemotherapy after Modified FOLFIRINOX in Unresectable Pancreatic Cancer. Cancers 15 (2) (2023)
Takeshi Okamoto, Manabu Yamada, Naoki Sasahira
Endoscopic ultrasound-guided pancreatic pseudocyst drainage using a drill dilator. Endoscopy international open 11 (7) (2023)
Takeshi Okamoto, Tsuyoshi Takeda, Naoki Sasahira
Endoscopic ultrasound-guided choledochoduodenostomy using a drill dilator. Endoscopy 55 (S 01) (2023)
Manabu Yamada, Tsuyoshi Takeda, Takashi Sasaki, Takeshi Okamoto, Tsuyoshi Hamada, Takahiro Ishitsuka, Hiroki Nakagawa, Takafumi Mie, Takaaki Furukawa, Akiyoshi Kasuga, Masato Matsuyama, Masato Ozaka, Hideki Kobara, Tsutomu Masaki, Naoki Sasahira
Outcomes of Intraductal Placement of Covered Metal Stents for Unresectable Distal Malignant Biliary Obstruction. Journal of clinical medicine 12 (5) (2023)
Takeshi Okamoto, Hiroki Nakagawa, Naoki Sasahira
Gel immersion cold polypectomy with a duodenoscope for supra-ampullary adenoma. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2023)
Takeshi Okamoto, Hiroki Nakagawa, Naoki Sasahira
Gel immersion cold polypectomy with a duodenoscope for supra-ampullary adenoma. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (2) (2023)
Manabu Yamada, Tsuyoshi Takeda, Takashi Sasaki, Takeshi Okamoto, Tsuyoshi Hamada, Takahiro Ishitsuka, Hiroki Nakagawa, Takafumi Mie, Takaaki Furukawa, Akiyoshi Kasuga, Masato Matsuyama, Masato Ozaka, Hideki Kobara, Tsutomu Masaki, Naoki Sasahira
Outcomes of Intraductal Placement of Covered Metal Stents for Unresectable Distal Malignant Biliary Obstruction. Journal of clinical medicine 12 (5) (2023)
Manabu Yamada, Takeshi Okamoto, Yozo Sato, Tsuyoshi Takeda, Takafumi Mie, Takahiro Ishitsuka, Hiroki Nakagawa, Masato Matsuyama, Takashi Sasaki, Naoki Sasahira
Late-onset hemobilia due to pseudoaneurysm rupture after endoscopic ultrasound-guided hepaticogastrostomy. Clinical journal of gastroenterology (2023)
Takeshi Okamoto, Tsuyoshi Takeda, Takafumi Mie, Tatsuki Hirai, Takahiro Ishitsuka, Manabu Yamada, Hiroki Nakagawa, Takaaki Furukawa, Akiyoshi Kasuga, Takashi Sasaki, Masato Ozaka, Naoki Sasahira
Splenic Hilar Involvement and Sinistral Portal Hypertension in Unresectable Pancreatic Tail Cancer. Cancers 15 (24) (2023)
Takeshi Okamoto, Tsuyoshi Takeda, Takashi Sasaki, Tsuyoshi Hamada, Takafumi Mie, Takahiro Ishitsuka, Manabu Yamada, Hiroki Nakagawa, Tatsuki Hirai, Takaaki Furukawa, Akiyoshi Kasuga, Masato Ozaka, Naoki Sasahira
Safety and Effectiveness of Chemotherapy in Elderly Biliary Tract Cancer Patients. Current oncology (Toronto, Ont.) 30 (8) (2023)
Yuto Yamada, Takashi Sasaki, Tsuyoshi Takeda, Takeshi Okamoto, Takafumi Mie, Chinatsu Yonekura, Takaaki Furukawa, Akiyoshi Kasuga, Masato Matsuyama, Masato Ozaka, Takahisa Matsuda, Yoshinori Igarashi, Naoki Sasahira
Removal of Duckbill-type laser-cut anti-reflux metal stents: Clinical evaluation and in vitro study. DEN open 3 (1) (2023)
Takafumi Mie, Takashi Sasaki, Tsuyoshi Takeda, Takeshi Okamoto, Tsuyoshi Hamada, Takahiro Ishitsuka, Manabu Yamada, Hiroki Nakagawa, Takaaki Furukawa, Akiyoshi Kasuga, Masato Matsuyama, Masato Ozaka, Naoki Sasahira
Treatment Outcomes and Prognostic Factors of Gemcitabine Plus Nab-Paclitaxel as Second-Line Chemotherapy after Modified FOLFIRINOX in Unresectable Pancreatic Cancer. Cancers 15 (2) (2023)
Takafumi Mie, Takashi Sasaki, Tsuyoshi Takeda, Takeshi Okamoto, Tsuyoshi Hamada, Takahiro Ishitsuka, Manabu Yamada, Hiroki Nakagawa, Takaaki Furukawa, Akiyoshi Kasuga, Masato Matsuyama, Masato Ozaka, Naoki Sasahira
Treatment Outcomes and Prognostic Factors of Gemcitabine Plus Nab-Paclitaxel as Second-Line Chemotherapy after Modified FOLFIRINOX in Unresectable Pancreatic Cancer. Cancers 15 (2) (2023)
Takafumi Mie, Takashi Sasaki, Tsuyoshi Takeda, Takeshi Okamoto, Tsuyoshi Hamada, Takahiro Ishitsuka, Manabu Yamada, Hiroki Nakagawa, Takaaki Furukawa, Akiyoshi Kasuga, Masato Matsuyama, Masato Ozaka, Naoki Sasahira
Treatment Outcomes and Prognostic Factors of Gemcitabine Plus Nab-Paclitaxel as Second-Line Chemotherapy after Modified FOLFIRINOX in Unresectable Pancreatic Cancer. Cancers 15 (2) (2023)
Takeshi Okamoto, Tsuyoshi Takeda, Takafumi Mie, Tatsuki Hirai, Takahiro Ishitsuka, Manabu Yamada, Hiroki Nakagawa, Takaaki Furukawa, Akiyoshi Kasuga, Takashi Sasaki, Masato Ozaka, Naoki Sasahira
Splenic Hilar Involvement and Sinistral Portal Hypertension in Unresectable Pancreatic Tail Cancer. Cancers 15 (24) (2023)
Manabu Yamada, Takeshi Okamoto, Naoki Sasahira
Successful removal of a migrated plastic stent using a new endoscopic sheath. Endoscopy 55 (S 01) (2023)
Takeshi Okamoto, Toshiaki Hirasawa
Quality indicators in endoscopic screening and the role of artificial intelligence. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society (2023)
Takeshi Okamoto, Hiroki Nakagawa, Naoki Sasahira
Gel immersion cold polypectomy with a duodenoscope for supra-ampullary adenoma. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 36 (2) (2023)
Takeshi Okamoto, Makoto Arashiyama, Kenji Nakamura, Ryosuke Tsugitomi, Katsuyuki Fukuda
Clinical outcomes in acute pancreatitis with relative bradycardia at fever onset. Medicine 100 (46) (2022)
Chinatsu Yonekura, Takashi Sasaki, Takafumi Mie, Takeshi Okamoto, Tsuyoshi Takeda, Takaaki Furukawa, Yuto Yamada, Akiyoshi Kasuga, Masato Matsuyama, Masato Ozaka, Naoki Sasahira
Endoscopic Transluminal Stent Placement for Malignant Afferent Loop Obstruction. Journal of clinical medicine 11 (21) (2022)
Takeshi Okamoto, Kazuki Yamamoto, Katsuyuki Fukuda
Edematous ileocecal valve due to mesenteric venous thrombosis. Oxford medical case reports 2022 (3) (2022)
Takeshi Okamoto, Kazuki Yamamoto, Katsuyuki Fukuda
Biliary balloon dilator impaction in a non-dilated bile duct with anatomical variations: a case report. BMC gastroenterology 22 (1) (2022)
Takeshi Okamoto, Takahiro Ishitsuka, Naoki Sasahira
Dilatation of hepaticojejunostomy anastomotic stricture with a drill dilator during balloon enteroscopy-assisted endoscopic retrograde cholangiopancreatography. Journal of hepato-biliary-pancreatic sciences (2022)
Takeshi Okamoto, Hidekazu Suzuki, Katsuyuki Fukuda
Clinical and endoscopic characteristics of acute esophageal necrosis and severe reflux esophagitis. Medicine 100 (44) (2022)
Manabu Yamada, Takeshi Okamoto, Naoki Sasahira
Troubleshooting with a drill dilator for the stent-in-stent technique in malignant hilar biliary obstruction. Endoscopy (2022)
Takeshi Okamoto, Kazuki Yamamoto, Ayaka Takasu, Yuichiro Suzuki, Takashi Ikeya, Shuhei Okuyama, Koichi Takagi, Nobuko Fujita, Hiroyasu Misumi, Katsuyuki Fukuda
Findings and outcomes of emergent endoscopies after cardiovascular surgery. JGH open : an open access journal of gastroenterology and hepatology 6 (3) (2022)
Takeshi Okamoto, Kenji Nakamura, Minoru Yabuta, Katsuyuki Fukuda
Retrograde endosonography-guided hepaticojejunostomy after failed rendezvous in a patient with Child's resection. Endoscopy (2021)
Takeshi Okamoto, Takashi Ikeya, Katsuyuki Fukuda
Endoscopic submucosal dissection with a scissors-type knife for colonic lipoma. Endoscopy international open 9 (7) (2021)
Takeshi Okamoto, Eriko Nakano, Teruo Yamauchi
Complete remission in metastatic primary malignant melanoma of the esophagus with nivolumab: a case report. Journal of medical case reports 15 (1) (2021)
Takeshi Okamoto, Takaaki Yoshimoto, Katsuyuki Fukuda
Multiple non-polypoid mucosal Schwann cell hamartomas presenting as edematous and submucosal tumor-like lesions: a case report. BMC gastroenterology 21 (1) (2021)
Takeshi Okamoto, Ayaka Takasu, Takaaki Yoshimoto, Kazuki Yamamoto, Yasutoshi Shiratori, Takashi Ikeya, Katsuyuki Fukuda
Digital compression for hemostasis in acute hemorrhagic rectal ulcer: a report of 4 cases and review of the literature. Clinical journal of gastroenterology 14 (3) (2021)
Takeshi Okamoto, Hidekazu Suzuki, Katsuyuki Fukuda
Simultaneous gastric cancer and breast cancer metastases to the stomach with lymph node collision tumor: a case report. BMC gastroenterology 21 (1) (2021)
Takeshi Okamoto, Katsuyuki Fukuda
Ileocolic intussusception caused by mass-forming fibro-granulation from healed ulcer masquerading as small bowel lipoma. Clinical journal of gastroenterology 14 (2) (2021)
Takeshi Okamoto, Hidekazu Suzuki, Katsuyuki Fukuda
Intraoperative Endoscopy in Transient Adult Jejunojejunal Intussusception. Case reports in gastrointestinal medicine 2021 (2021)
Takeshi Okamoto, Kenji Nakamura
Endosonography-guided gallbladder drainage in a patient with intestinal malrotation. Endoscopy (2021)
Takeshi Okamoto, Hidekazu Suzuki, Katsuyuki Fukuda
Gastric linitis plastica due to signet-ring cell carcinoma with Krukenberg tumors diagnosed by endoscopic ultrasound-guided fine-needle aspiration. Clinical journal of gastroenterology 14 (4) (2021)
Takeshi Okamoto, Kenji Nakamura, Minoru Yabuta, Katsuyuki Fukuda
Correction: Retrograde endosonography-guided hepaticojejunostomy after failed rendezvous in a patient with Roux-en-Y anastomosis. Endoscopy (2021)
Takeshi Okamoto, Katsuyuki Fukuda
Cryptococcus: A Rare Cause of Parotid Abscess in Liver Cirrhosis. Case reports in hepatology 2020 (2020)
Takeshi Okamoto, Kenji Nakamura, Ayaka Takasu, Toshimi Kaido, Katsuyuki Fukuda
Needle tract seeding and abscess associated with pancreatic fistula after endoscopic ultrasound-guided fine-needle aspiration. Clinical journal of gastroenterology 13 (6) (2020)
Takeshi Okamoto, Kenji Nakamura, Katsuyuki Fukuda
Endoscopic retrograde cholangiopancreatography for bile duct obstruction due to metastatic breast cancer. Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society 32 (7) (2020)
Takeshi Okamoto, Kenji Nakamura, Katsuyuki Fukuda
Successful endoscopic mucosal resection for non-ampullary duodenal signet-ring cell carcinoma. Clinical journal of gastroenterology 13 (6) (2020)
Takeshi Okamoto, Koichi Takagi, Katsuyuki Fukuda
Oxaliplatin-Induced Lhermitte's Sign in Gastric Cancer. Case reports in oncological medicine 2020 (2020)