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OBJECTIVES There is a wide variation in risk factors for intrahepatic cholangiocarcinoma (ICC) among various populations. Several studies have suggested that hepatitis C virus (HCV) infection may play a role in the development of ICC, whereas the role of hepatitis B virus (HBV) infection is less clear. METHODS To determine whether HBV or HCV infection is(More)
OBJECTIVES To achieve the goal of developing international consensus diagnostic criteria (ICDC) for autoimmune pancreatitis (AIP). METHODS An international panel of experts met during the 14th Congress of the International Association of Pancreatology held in Fukuoka, Japan, from July 11 through 13, 2010. The proposed criteria represent a consensus(More)
Since its publication in 2007, the Tokyo Guidelines for the management of acute cholangitis and cholecystitis (TG07) have been widely adopted. The validation of TG07 conducted in terms of clinical practice has shown that the diagnostic criteria for acute cholecystitis are highly reliable but that the definition of definite diagnosis is ambiguous. Discussion(More)
Since the publication of the Tokyo Guidelines for the management of acute cholangitis and cholecystitis (TG07), diagnostic criteria and severity assessment criteria for acute cholangitis have been presented and extensively used as the primary standard all over the world. However, it has been found that there are crucial limitations in these criteria. The(More)
OBJECTIVE To assess the effect of ipsilateral hepatic vein embolization (HVE) performed after portal vein embolization (PVE) on liver regeneration. SUMMARY BACKGROUND DATA PVE induces shrinkage of the embolized lobe and compensatory enlargement of the non-embolized lobe, but it does not always induce sufficient liver regeneration. There was no effective(More)
BACKGROUND To determine whether endoscopic papillary balloon dilation decreases the risk of hemorrhage without increasing the risk of acute pancreatitis, the results of endoscopic papillary balloon dilation were compared with those of endoscopic biliary sphincterotomy in patients with cirrhosis and coagulopathy. METHODS Twenty-one patients with liver(More)
BACKGROUND & AIMS Although autoimmune pancreatitis (AIP) responds well to corticosteroid therapy, relapse during maintenance corticosteroid therapy or after the withdrawal of corticosteroid treatment is not uncommon. To date, the factors related to relapse of AIP have not been fully explored. METHODS To determine the clinical and genetic predictors(More)
OBJECTIVES This study was conducted to evaluate the clinical role of integrated positron emission and computed tomography (PET-CT) in patients with suspected and potentially operable cholangiocarcinoma. METHODS Between October 2005 and May 2007, 123 patients with suspected cholangiocarcinoma were enrolled in this study after diagnostic workup, including(More)
BACKGROUND Recently, the evidence has been accumulating that endoscopic resection may be curative in treating ampullary adenoma that contains high-grade intraepithelial neoplasia/in situ tumor (HGIN/Tis). However, there are only anecdotal reports of endoscopic management of "focal" T1 ampullary cancer (T1 cancer), and radical surgery is still considered the(More)
BACKGROUND AND AIMS Radiofrequency ablation (RFA) has been used as a valuable treatment modality for various unresectable malignancies. EUS-guided radiofrequency ablation (EUS-RFA) of the porcine pancreas was reported to be feasible and safe in our previous study, suggesting that EUS-RFA may be applicable as an adjunct and effective alternative treatment(More)