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  1. No Access

    Article

    Effectiveness of the J-Tip Guidewire for Selective Biliary Cannulation Compared to Conventional Guidewires (The JANGLE Study)

    Wire-guided cannulation has become a common biliary cannulation technique worldwide. Different guidewires with various tip shapes and materials have been reportedly used for wire-guided cannulation. However, t...

    Takayoshi Tsuchiya, Takao Itoi, Iruru Maetani… in Digestive Diseases and Sciences (2015)

  2. No Access

    Article

    Expanding endoscopic interventions for pancreatic pseudocyst and walled-off necrosis

    Recently, several endoscopists have described the usefulness of the endoscopic ultrasonography (EUS)-guided, single transluminal gateway technique (SGT) using transmural placement of single or multiple plastic...

    Shuntaro Mukai, Takao Itoi, Atsushi Sofuni, Fumihide Itokawa… in Journal of Gastroenterology (2015)

  3. No Access

    Article

    Efficacy and Safety of Endoscopic Papillary Large Balloon Dilation for Large Bile Duct Stones in Elderly Patients

    Minimally invasive interventions for choledocholithiasis are preferable in elderly patients because they tend to have multiple underlying disorders or a decreased activity of daily living. Endoscopic sphincter...

    Ryosuke Tonozuka, Takao Itoi, Atsushi Sofuni… in Digestive Diseases and Sciences (2014)

  4. No Access

    Article

    Stent selection and tips on placement technique of EUS-guided biliary drainage: transduodenal and transgastric stenting

    Endoscopic ultrasonography-guided biliary drainage (EUS-BD) has been carried out as an alternative to the percutaneous or surgical approach when endoscopic retrograde cholangiopancreatography fails. However, t...

    Takao Itoi, Hiroyuki Isayama, Atsushi Sofuni… in Journal of Hepato-Biliary-Pancreatic Scien… (2011)

  5. No Access

    Article

    EUS elastography combined with the strain ratio of tissue elasticity for diagnosis of solid pancreatic masses

    Recently, the usefulness of endoscopic ultrasound (EUS) elastography has been reported for the diagnosis of pancreatic lesions. In the present study, we retrospectively assessed EUS elastography as a diagnosti...

    Fumihide Itokawa, Takao Itoi, Atsushi Sofuni… in Journal of Gastroenterology (2011)

  6. No Access

    Article

    A Multicenter Prospective Study of the Short-Term Outcome of a Newly Developed Partially Covered Self-Expandable Metallic Biliary Stent (WallFlex®)

    Self-expandable metallic stent (SEMS) placement is a widely used, effective therapy for unresectable malignant stricture of the lower bile duct.

    Takayoshi Tsuchiya, Takao Itoi, Takuji Gotoda… in Digestive Diseases and Sciences (2011)

  7. No Access

    Article

    Magnetic compression anastomosis for biliary obstruction: review and experience at Tokyo Medical University Hospital

    Magnetic compression anastomosis (MCA) is a revolutionary, minimally invasive method of performing choledochoenterostomy or choledochocholedochostomy without using surgical techniques in patients with biliary ...

    Takao Itoi, Kazuhiko Kasuya, Atsushi Sofuni… in Journal of Hepato-Biliary-Pancreatic Scien… (2011)

  8. No Access

    Article

    The current potential of high-intensity focused ultrasound for pancreatic carcinoma

    Pancreatic carcinoma has one of the poorest prognoses among malignant tumors. Many pancreatic carcinoma patients who undergo common treatments, such as surgery, radio-chemotherapy and chemotherapy, gained litt...

    Atsushi Sofuni, Fuminori Moriyasu… in Journal of Hepato-Biliary-Pancreatic Scien… (2011)

  9. Article

    Open Access

    Long- and short-type double-balloon enteroscopy-assisted therapeutic ERCP for intact papilla in patients with a Roux-en-Y anastomosis

    There have been a few previous reports on attempted double-balloon endoscopy (DBE)-assisted endoscopic retrograde cholangiopancreatography (ERCP) in patients with Roux-en-Y anastomosis and an intact papilla. T...

    Takao Itoi, Kentaro Ishii, Atsushi Sofuni, Fumihide Itokawa… in Surgical Endoscopy (2011)

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  10. No Access

    Article

    Endoscopic ultrasonography-guided biliary drainage

    Endoscopic ultrasonography-guided biliary drainage (EUS-BD) has been developed as an alternative drainage method in patients with obstructive jaundice. EUS-BD is divided into EUS-guided choledochoduodenostomy ...

    Takao Itoi, Atsushi Sofuni, Fumihide Itokawa… in Journal of Hepato-Biliary-Pancreatic Scien… (2010)

  11. No Access

    Article

    Detection of circulating tumor cells in patients with pancreatic cancer: a preliminary result

    It has been reported that circulating tumor cells (CTCs) can be used to predict survival in metastatic breast cancer. In this preliminary study, we examined the level of CTCs in pancreatic cancer (PC) patients...

    Toshio Kurihara, Takao Itoi, Atsushi Sofuni… in Journal of Hepato-Biliary-Pancreatic Surge… (2008)

  12. No Access

    Article

    Temporary pancreatic stent to prevent post endoscopic retrograde cholangiopancreatography pancreatitis: a preliminary, single-center, randomized controlled trial

    Post endoscopic retrograde cholangiopancreatography (post-ERCP) pancreatitis is the most common complication of ERCP, which can occasionally become serious or fatal. This preliminary study was to prospectively...

    Takayoshi Tsuchiya, Takao Itoi… in Journal of Hepato-Biliary-Pancreatic Surge… (2007)

  13. No Access

    Article

    Ribonucleotide reductase subunit M2 mRNA expression in pretreatment biopsies obtained from unresectable pancreatic carcinomas

    Gemcitabine is an efficacious cytotoxic agent used in the treatment of unresectable pancreatic carcinoma (PC). Recently, gemcitabine resistance has been associated with the ribonucleotide reductase subunit M2 (RR...

    Takao Itoi, Atsushi Sofuni, Noriyoshi Fukushima… in Journal of Gastroenterology (2007)