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Intraductal tubulopapillary neoplasm (ITPN) is a recently recognized rare variant of intraductal neoplasms of the pancreas. Molecular aberrations underlying the neoplasm remain unknown. We investigated somatic mutations in PIK3CA, PTEN, AKT1, KRAS, and BRAF. We also investigated aberrant expressions of phosphorylated AKT, phosphatase and tensin homolog(More)
BACKGROUND AND AIM The aim of this study was to evaluate the efficacy and safety of one-step percutaneous transhepatic insertion of the Express LD stent, a balloon-expanding stainless steel stent used for the management of distal artery stenosis in the treatment of obstructive jaundice caused by various inoperable malignancies. METHODS Seventy-one(More)
OBJECTIVE Postoperative pancreatic fistula (POPF) is a severe and frequent complication after pancreaticoduodenectomy (PD). The aim of this study was to identify an independent predictor of POPF and to assess the efficacy of preoperative multidetector row computed tomography (MDCT) images as an indicator for POPF. METHODS A total of 122 patients who(More)
INTRODUCTION Liver hemangiomas are the most common benign liver tumors, usually small in size and requiring no treatment. Giant hemangiomas complicated with consumptive coagulopathy (Kasabach-Merritt syndrome) or causing severe incapacitating symptoms, however, are generally considered an absolute indication for surgical resection. Here, we present the case(More)
BACKGROUND AND AIM The aim of this study was to investigate the diagnostic reliability of multidetector-row computed tomography (MDCT) for the evaluation of tumor spread in hilar cholangiocarcinoma. METHODS Images obtained from a 16-detector row scanner of 22 patients were interpreted. The diagnostic accuracy of longitudinal ductal spread, vertical(More)
Hepato-pancreaticoduodenectomy was performed for common bile duct carcinoma associated with celiac axis stenosis. To secure arterial blood flow to the upper abdominal organs, we preserved the anterior arcade in the pancreas head acting as a collateral pathway between the superior mesenteric artery and the celiac artery. This is another valid alternative(More)
We evaluated the efficiency of a modified liver-hanging technique for minimizing intraoperative blood loss during right and left hemihepatectomy. The lower end of the hanging tape was repositioned between the parenchyma of the left paramedian sector and the hilar plate. The upper end of the tape was positioned between the right hepatic vein and middle(More)
BACKGROUND/PURPOSE The aim of this study was to compare the diagnostic accuracy of multidetector computed tomography (MDCT) and direct cholangiography in evaluating the longitudinal spread of extrahepatic bile duct cancer. METHODS Images obtained from a 16-detector row scanner (MDCT) and from direct cholangiography (via either endoscopic naso-biliary(More)
Intussusception occurs rarely in adults compared with children, and in the case of adults, some organic disease, such as a benign or malignant tumor, can be found at the leading edge of the intussusception in about 90% of adult cases. This study reports a case of adult intussusception in which the stump of the jejunal loop in a Roux-en-Y bilioenteric(More)
INTRODUCTION Management of the biliary ducts during liver resection is one of the most important challenges for hepatobiliary surgeons. Here, we report the case of a left hepatic trisectionectomy for hilar cholangiocarcinoma with a rare aberrant biliary duct of segment 5, which, to the best of our knowledge, has never been reported in previous literature.(More)