Seong Ho Choi

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BACKGROUND/AIMS The authors conducted a hospital-based case-control study to evaluate the role of Clonorchis sinensis infection as a risk factor for the development of cholangiocarcinoma (CC), including extrahepatic CC, in Korea. METHODS Cases of 185 patients with CC (intrahepatic, 51; hilar, 53; and distal extrahepatic, 81) and matched controls underwent(More)
BACKGROUND Postoperative hemorrhage, particularly delayed hemorrhage after pancreaticoduodenectomy, is a serious complication and one of the most common causes of mortality after pancreaticoduodenectomy. STUDY DESIGN The medical records of 500 patients who underwent pancreaticoduodenectomy between October 1994 and December 2002 were analyzed with regard(More)
BACKGROUND Although endoscopic resection can provide a wide tumor resection with a negative resection margin, it is not yet recommended as a curative therapy for ampulla of Vater cancer. METHODS To investigate the microinvasion rate and the diagnostic accuracy of endoscopic biopsy to properly judge the safety of endoscopic resection for ampulla of Vater(More)
AIM We studied to identify the clinicopathological features, treatment outcome, and prognostic factors for patients with gastrointestinal and hepatopancreaticobiliary neuroendocrine tumor (NET). METHOD Between February 2001 and May 2006, a total of 470 patients were diagnosed with NET arising from the gastrointestinal tract, pancreas, and hepatobiliary(More)
BACKGROUND AND AIMS No information is available on the nature of the correlation between cyclooxygenase-2 (COX-2) expression and the clinicopathological features and prognosis of cholangiocarcinoma (CC). The goal of the present study was to determine the possible roles and clinical significance of COX-2 expression in CC. METHODS We investigated the(More)
OBJECTIVE The purpose of this study was to analyze clinicopathologic and surgical features and to determine what should be an adequate extent of resection for T1 gallbladder cancers. SUMMARY BACKGROUND DATA Simple cholecystectomy offers adequate treatment for T1a cancers; however, it remains debatable whether T1b cancers should be treated by simple(More)
BACKGROUND Endoscopic stone removal is difficult in patients with a Billroth II gastrectomy. OBJECTIVE To evaluate the usefulness of a rotatable papillotome and large-balloon dilation for removing bile-duct stones in patients with a Billroth II gastrectomy. DESIGN A case series. SETTING A large tertiary-referral center. PATIENTS AND INTERVENTION(More)
Concomitant liver resection for type III hilar cholangiocarcinoma could improve the R0 resection rate and long-term outcome. In the present study, we examine the specific role of caudate lobectomy in liver resection for type IIIA and IIIB hilar cholangiocarcinoma and the prognostic factors for survival in this group of patients. We reviewed all patients(More)
OBJECTIVES We reviewed the pancreatectomies that were done for pancreatic ductal adenocarcinoma to evaluate patient survival and prognostic predictors. METHODS A review was performed on 94 patients who underwent surgical resection for pancreatic ductal adenocarcinomas from 1995 to 2002. The perioperative factors were compared between the proximal and(More)
AIM To review the clinical course and the management of pseudoaneurysms post-pancreaticoduodenectomy. METHODS Medical records of 907 patients who underwent pancreaticoduodenectomies from January 1995 to May 2007 were evaluated retrospectively. The clinical course, management strategy, and outcome of ruptured pseudoaneurysms cases were analyzed. RESULTS(More)