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Prognostic impact of hepatitis B or C on intrahepatic cholangiocarcinoma

Seo JW, Kwan BS, Cheon YK, Lee TY, Shim CS, Kwon SY, Choe WH, Yoo BC, Yoon JM, Lee JH

Background/Aims: Intrahepatic cholangiocarcinoma (ICC) is the second-most common primary liver malignancy, arising from the peripheral intrahepatic bile duct epithelium. Hepatitis B virus (HBV) or hepatitis C virus (HCV) may be...
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The Role of EUS in the Differential Diagnosis of Polypoid Lesions of the Gallbladder: Update

Cheon YK

Although most gallbladder (GB) polyps are benign, some early carcinomas of the GB share the same appearance as benign polyps. Currently, GB polyps larger than 1 cm should be surgically...
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Successful treatment of tracheoesophageal fistula using a covered esophageal stent

Kim JH, Cheon YK

No abstract available.
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Endoscopic Management of Bronchobiliary Fistula after Multiple Transcatheter Arterial Chemoembolizations for Hepatocellular Carcinoma

Yu J, Lee TY, Cheon YK, Shim CS

Bronchobiliary fistula (BBF) is a rare complication after transcatheter arterial chemoembolization (TACE) for hepatocellular carcinoma. We present a case of BBF that developed 5 months after 11 TACE procedures in...
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Predictors of Malignancy in “Pure” Branch-Duct Intraductal Papillary Mucinous Neoplasm of the Pancreas without Enhancing Mural Nodules on CT Imaging: A Nationwide Multicenter Study

Kim TH, Woo YS, Chon HK, Hwang JH, Yoo KS, Lee WJ, Lee KH, Lee JK, Dong SH, Park CH, Park ET, Moon JH, Kim HG, Cho KB, Kim HJ, Lee SO, Cheon YK, Lee JM, Park JW, Kim MH

BACKGROUND/AIMS: Presence of enhanced mural nodules, which can be visualized using computed tomography (CT), is one of high-risk stigmata in branch-duct intraductal papillary mucinous neoplasms (BD-IPMNs). Conversely, the absence of...
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A Newly Designed, Fully Covered, Metal Stent with Wide Flanges for EUS-Guided Drainage and Access

Lee TY, Cheon YK, Shim CS

BACKGROUND/AIMS: Endoscopic ultrasound (EUS)-guided drainage of pancreatic fluid collections is a useful and effective procedure. One of the main limitations is the lack of devices tailored specifically for this technique....
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The outcome of endoscopic management of bile leakage after hepatobiliary surgery

Yun SU, Cheon YK, Shim CS, Lee TY, Yu HM, Chung HA, Kwon SW, Jeong TG, An SH, Jeong GW, Kim JW

BACKGROUND/AIMS: Despite improvements in surgical techniques and postoperative patient care, bile leakage can occur after hepatobiliary surgery and may lead to serious complications. The aim of this retrospective study was...
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Efficacy and Safety of Balloon-Occluded Retrograde Transvenous Obliteration with Sodium Tetradecyl Sulfate Liquid Sclerotherapy

Chang IS, Park SW, Kwon SY, Choe WH, Cheon YK, Shim CS, Lee TY, Kim JH

OBJECTIVE: To evaluate the efficacy and safety of balloon-occluded retrograde transvenous obliteration (BRTO) with sodium tetradecyl sulfate (STS) liquid sclerotherapy of gastric varices. MATERIALS AND METHODS: Between February 2012 and August...
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Portal biliopathy treated with endoscopic biliary stenting

Jeon SJ, Min JK, Kwon SY, Kim JH, Moon SY, Lee KH, Kim JH, Choe WH, Cheon YK, Kim TH, Park HS

Portal biliopathy is defined as abnormalities in the extra- and intrahepatic ducts and gallbladder of patients with portal hypertension. This condition is associated with extrahepatic venous obstruction and dilatation of...
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Clinical role of contrast-enhanced harmonic endoscopic ultrasound in differentiating pancreatic solid lesions

Shim CS, Lee TY, Cheon YK

Accurate diagnosis of pancreatic solid lesions is often difficult using conventional imaging modalities. With the recent introduction of contrast-enhanced harmonic endoscopic ultrasound (CEH-EUS), it is now possible to evaluate the...
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Oral udenafil and aceclofenac for the prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis in high-risk patients: a randomized multicenter study

Lee TY, Choi JS, Oh HC, Song TJ, Do JH, Cheon YK

BACKGROUND/AIMS: Acute pancreatitis is a common complication of endoscopic retrograde cholangiopancreatography (ERCP). Combination therapy w ith ora l udenafil and aceclofenac may reduce the occurrence of post-ERCP pancreatitis by targeting...
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A Case of Afferent Loop Syndrome Treated by Endoscopic Metal Stent Insertion Using Two Endoscopes

Kim JJ, Cheon YK, Lee TY, Shim CS

Afferent loop syndrome is a rare complication of pancreaticoduodenectomy, and the endoscopic approach is difficult due to the surgically altered anatomy. Herein, we report a case of afferent loop obstruction...
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A Gangliocytic Paraganglioma Presenting as a Submucosal Tumor in the Ampulla

Yang JH, Cheon YK, Lee TY, Shim CS, Kim WY

  • KMID: 2269309
  • Korean J Med.
  • 2014 May;86(5):603-607.
A gangliocytic paraganglioma (GP) is a rare benign neuroendocrine tumor. However, its origin remains unclear. It is seen most frequently in the second portion of the duodenum. At endoscopy, a...
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Long-Term Outcome of Photodynamic Therapy with Systemic Chemotherapy Compared to Photodynamic Therapy Alone in Patients with Advanced Hilar Cholangiocarcinoma

Hong MJ, Cheon YK, Lee EJ, Lee TY, Shim CS

  • KMID: 1774567
  • Gut Liver.
  • 2014 May;8(3):318-323.
BACKGROUND/AIMS: Patients with cholangiocarcinoma usually present at an advanced stage, and more than 50% of cases are not resectable at the time of diagnosis. Recently, photodynamic therapy (PDT) has been...
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Elevated Hemoglobin A1c Levels Are Associated with Worse Survival in Advanced Pancreatic Cancer Patients with Diabetes

Cheon YK, Koo JK, Lee YS, Lee TY, Shim CS

  • KMID: 1774549
  • Gut Liver.
  • 2014 Mar;8(2):205-214.
BACKGROUND/AIMS: Pre-existing diabetes mellitus (DM) has been identified as an adverse prognostic variable associated with increased mortality in various cancers. Although DM and hyperglycemia are considered risk factors for pancreatic...
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Clinical Role of Contrast-Enhanced Harmonic Endoscopic Ultrasound in Differentiating Solid Lesions of the Pancreas: A Single-Center Experience in Korea

Lee TY, Cheon YK, Shim CS

  • KMID: 1806678
  • Gut Liver.
  • 2013 Sep;7(5):599-604.
BACKGROUND/AIMS: The differential diagnosis of pancreatic solid lesions remains challenging. The aim of this study was to investigate the accuracy of contrast-enhanced harmonic endoscopic ultrasound (CEH-EUS) in differentiating pancreatic cancer...
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Severity Assessment of Acute Pancreatitis

Cheon YK

  • KMID: 2267801
  • Korean J Med.
  • 2013 Aug;85(2):116-121.
Older age (> 55), obesity (BMI > 30), organ failure at admission, and pleural effusion and/or infiltrates are risk factors for severity that should be noted at admission. Tests at...
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Continue or Discontinue Dual Antiplatelet Therapy in Major Surgical or Endoscopic Procedures

Cheon YK

  • KMID: 2425249
  • Clin Endosc.
  • 2013 Jul;46(4):315-316.
No abstract available.
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Can postendoscopic retrograde cholangiopancreatography pancreatitis be prevented by a pharmacological approach?

Cheon YK

Acute pancreatitis remains the most frequent complication of endoscopic retrograde cholangiopancreatography (ERCP), with reported incidence rates that have changed little over several decades. Patient- and procedure-related risk factors for post-ERCP...
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Metastatic malignant solid pseudopapillary tumor of the pancreas

Kim JJ, Cheon YK, Han HS, Shim CS

No abstract available.
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