Sang Yong Lee

Learn More
BACKGROUND Endoscopic sphincterotomy (EST) to remove bile-duct stones is the most frequently used endoscopic technique. Few reports exist regarding application of large-balloon dilation (LBD) after EST for treatment of patients with bile-duct stones. OBJECTIVE To compare the effect of EST plus LBD with that of EST alone. DESIGN A prospective randomized(More)
PURPOSE To assess technical feasibility, efficacy, and complications of percutaneous computed tomography (CT)-guided transthoracic radiofrequency (RF) ablation for treating inoperable non-small cell lung cancer (NSCLC) and lung metastases. MATERIALS AND METHODS Twenty-six patients with 27 NSCLCs and four patients with five lung metastases underwent RF(More)
During sepsis endothelial dysfunction is an important pathogenetic mechanism in acute kidney injury (AKI). Lipopolysaccharide (LPS)-induced endotoxemia is associated with renal hemodynamic changes such as alterations of renal blood flow (RBF), vascular resistance, and glomerular filtration rate. We used adenoviral delivery of an engineered variant of native(More)
PURPOSE To determine the characteristics of horizontal components of partial-thickness tears of the rotator cuff at magnetic resonance (MR) arthrography and to determine whether use of the abduction and external rotation (ABER) position improved detection of a horizontal component in partial-thickness tears. MATERIALS AND METHODS MR studies in 16 patients(More)
OBJECTIVE The objective of our study was to compare the diagnostic performance of gadobenate dimeglumine-enhanced MRI with that of 16-MDCT for the detection of hepatocellular carcinoma using receiver operating characteristic (ROC) curve analysis. MATERIALS AND METHODS Thirty-one patients with 53 hepatocellular carcinomas underwent gadobenate(More)
We investigated the ectomycorrhizal (ECM) fungal colonization status of Pinus thunbergii mature trees and regenerating seedlings varying in age in coastal pine forests on the east coast of Korea. We established one 20 × 20-m plot at each of two study sites at P. thunbergii coastal forests in Samcheok. Fifty soil blocks (5 × 5 × 15 cm) were sampled at(More)
OBJECTIVE The purpose of this study was to describe the MRI findings of focal eosinophilic infiltration and eosinophilic abscess of the liver. CONCLUSION MRI shows characteristic findings of focal eosinophilic liver disease that can be helpful in differentiating lesions of focal eosinophilic liver disease from other focal liver lesions. In addition,(More)
Injury to the renal microvasculature may be a major factor in the progression of renal disease; therefore, protection of endothelial cells (EC) in renal vasculature may have a therapeutic role in renal fibrosis. Recently, a soluble, stable, and potent angiopoietin-1 (Ang1) variant, cartilage oligomeric matrix protein (COMP)-Ang1, was developed. The(More)
PURPOSE The aim of this study was to compare the diagnostic accuracy and sensitivity of gadoxetic acid-enhanced magnetic resonance imaging (MRI) with multi-detector row computed tomography (MDCT) for the detection of hepatocellular carcinomas (HCCs). MATERIALS Sixty-two patients (81 HCCs) who underwent MDCT and gadoxetic acid-enhanced MRI using a(More)