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Association of Quantitative Flow Ratio with Lesion Severity and Its Ability to Discriminate Myocardial Ischemia

Dai N, Hwang D, Lee JM, Zhang J, Tong Y, Jeon KH, Paeng JC, Cheon GJ, Koo BK, Ge J

Background and Objectives: Quantitative flow ratio (QFR) is an angiography-based technique for functional assessment of coronary artery stenosis. This study investigated the response of QFR to different degree of stenosis...
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Relationship of EGFR Mutation to Glucose Metabolic Activityand Asphericity of Metabolic Tumor Volumein Lung Adenocarcinoma

Whi W, Ha S, Bae S, Choi H, Paeng JC, Cheon GJ, Kang KW, Lee DS

Purpose EGFR-mutation (EGFR-mt) is a major oncogenic driver mutation in lung adenocarcinoma (ADC) and is more oftenobserved in Asian population. In lung ADC, some radiomics parameters of FDG PET have...
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Spleen Scan for 68Ga-DOTATOC PET-Positive Pancreatic Tail Lesion: Differential Diagnosis of Neuroendocrine Tumor from Accessory Spleen

Ryoo HG, Choi H, Cheon GJ

68Ga-DOTATOC PET/CT is widely used as a functional imaging technique in the detection and characterization of neuroendocrine tumors (NETs). Pancreatic NET and intrapancreatic accessory spleen (IPAS) have similar radiologic characteristics...
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Spatial Normalization Using Early-Phase [ 18F]FP-CIT PET for Quantification of Striatal Dopamine Transporter Binding

Bae S, Choi H, Whi W, Paeng JC, Cheon GJ, Kang KW, Lee DS

Purpose The precise quantification of dopamine transporter (DAT) density on N-(3-[18F]Fluoropropyl)-2β-carbomethoxy-3β-(4-iodophenyl) nortropane positron emission tomography ([18F]FP-CIT PET) imaging is crucial to measure the degree of striatal DAT loss in patients with...
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Change in Portal Pressure and Clinical Outcome in Cirrhotic Patients with Gastric Varices after Plug-Assisted Retrograde Transvenous Obliteration

Park JW, Yoo JJ, Kim SG, Jeong SW, Jang JY, Lee SH, Kim HS, Lee JM, Shim JJ, Kim YD, Cheon GJ, Jun BG, Kim YS

Background/Aims: Plug-assisted retrograde transvenous obliteration (PARTO) is widely used to manage gastric varices with a portosystemic shunt. It is not clear whether portal pressure and the incidence of complications increase...
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Platelet count is associated with sustained virological response rates in treatments for chronic hepatitis C

Jun BG, Park EJ, Lee WC, Jang JY, Jeong SW, Kim YD, Cheon GJ, Cho YS, Lee SH, Kim HS, Lee YN, Kim SG, Kim YS, Kim BS

BACKGROUND/AIMS: This study was conducted to clarify the sustained virological response (SVR) prediction ability of baseline and treatment-related factors in patients with chronic hepatitis C virus (HCV) infection. METHODS: This retrospective...
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Establishment of the Seoul National University Prospectively Enrolled Registry for Genitourinary Cancer (SUPER-GUC): A prospective, multidisciplinary, bio-bank linked cohort and research platform

Jeong CW, Suh J, Yuk HD, Tae BS, Kim M, Keam B, Kim JH, Kim SY, Cho JY, Kim SH, Moon KC, Cheon GJ, Ku JH, Kim HH, Kwak C

PURPOSE: To establish a prospective, comprehensive, multidisciplinary, bio-bank linked genitourinary cancer cohort based on standard real practice. MATERIALS AND METHODS: We established the Seoul National University Prospectively Enrolled Registry for Genitourinary...
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Distinguishing between Thymic Epithelial Tumors and Benign Cysts via Computed Tomography

Lee SH, Yoon SH, Nam JG, Kim HJ, Ahn SY, Kim HK, Lee HJ, Lee HH, Cheon GJ, Goo JM

OBJECTIVE: To investigate whether computed tomography (CT) and fluorine-18-labeled fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET) may be applied to distinguish thymic epithelial tumors (TETs) from benign cysts in the anterior...
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Multidisciplinary perspectives on newly revised 2018 FIGO staging of cancer of the cervix uteri

Berek JS, Matsuo K, Grubbs BH, Gaffney DK, Lee SI, Kilcoyne A, Cheon GJ, Yoo CW, Li L, Shao Y, Chen T, Kim M, Mikami M

No abstract available.
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The utility of ezetimibe therapy in nonalcoholic fatty liver disease

Jun BG, Cheon GJ

No abstract available.
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Radiomics in Oncological PET/CT: a Methodological Overview

Ha S, Choi H, Paeng JC, Cheon GJ

Radiomics is a medical imaging analysis approach based on computer-vision. Metabolic radiomics in particular analyses the spatial distribution patterns of molecular metabolism on PET images. Measuring intratumoral heterogeneity via image...
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Nuclear Theranostics in Asia: In vivo Companion Diagnostics

Lee DS, Cheon GJ

No abstract available.
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An Esophageal Squamous Cell Carcinoma with Lymph Node Metastasis Presenting as a Small Subepithelial Tumor

Park JW, Gong EJ, Seo M, Jun BG, Seo HI, Park JK, Han KH, Lee SJ, Kim YD, Jeong WJ, Cheon GJ

A subepithelial tumor-like esophageal carcinoma is rare. We report a case of an esophageal squamous cell carcinoma with lymph node metastasis presenting as a small subepithelial tumor. A 68-year-old man...
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Amyloid PET Quantification Via End-to-End Training of a Deep Learning

Kim JY, Suh HY, Ryoo HG, Oh D, Choi H, Paeng JC, Cheon GJ, Kang KW, Lee DS, Alzheimer's Disease Neuroimaging Initiative

PURPOSE: Although quantification of amyloid positron emission tomography (PET) is important for evaluating patients with cognitive impairment, its routine clinical use is hampered by complicated preprocessing steps and required MRI....
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Effects of Maternal Iodine Status during Pregnancy and Lactation on Maternal Thyroid Function and Offspring Growth and Development: A Prospective Study Protocol for the Ideal Breast Milk Cohort

Lee YA, Cho SW, Sung HK, Kim K, Song YS, Moon SJ, Oh JW, Ju DL, Choi S, Song SH, Cheon GJ, Park YJ, Shin CH, Park SK, Jun JK, Chung JK

BACKGROUND: Iodine is an intrinsic element of thyroid hormone, which is essential for childhood growth and development. The Ideal Breast Milk (IBM) cohort study aims to evaluate the effects of...
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A Case of Small Hepatocellular Carcinoma Who Showed Complete Response by Combined Therapy of Transarterial Chemoembolization and Stereotactic Body Radiotherapy

Cha JY, Jun BG, Gong EJ, Seo HI, Park JK, Lee SJ, Kim YD, Han KH, Jeong WJ, Cheon GJ, Choi WS

In hepatocellular carcinoma (HCC), surgical resection or local ablation therapy is limited because of severe liver dysfunction or tumor location. Transarterial chemoembolization (TACE) has beed used widely as palliative treatment....
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Measurement of ⁶⁸Ga-DOTATOC Uptake in the Thoracic Aorta and Its Correlation with Cardiovascular Risk

Lee R, Kim J, Paeng JC, Byun JW, Cheon GJ, Lee DS, Chung JK, Kang KW

PURPOSE: ⁶⁸Ga-labeled 1,4,7,10-tetraazacyclododecane-N,N′,N″,N‴-tetraacetic acid-D-Phe1-Tyr3-octreotide (⁶⁸Ga-DOTATOC) is taken up by activated macrophages, which accumulate in active inflammatory lesions. The purpose of this study was to investigate the feasibility of ⁶⁸Ga-DOTATOC PET/CT...
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Follow-up Creatinine Level Is an Important Predictive Factor of In-hospital Mortality in Cirrhotic Patients with Spontaneous Bacterial Peritonitis

Jun BG, Lee WC, Jang JY, Jeong SW, Kim YD, Cheon GJ, Lee YN, Kim SG, Kim YS, Cho YS, Lee SH, Kim HS

BACKGROUND: Spontaneous bacterial peritonitis (SBP) is one of the severe complications of liver cirrhosis. Early detection of high-risk patients is essential for prognostic improvement. The aim of this study is...
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Correlation of FDG PET/CT Findings with Long-Term Growth and Clinical Course of Abdominal Aortic Aneurysm

Lee H, Paeng JC, Kim KH, Cheon GJ, Lee DS, Chung JK, Kang KW

PURPOSE: Herein, we report characteristics of ¹⁸F–fluorodeoxyglucose (FDG) uptake in abdominal aortic aneurysms (AAAs) during a long-term follow-up. In addition, we investigated the association between FDG uptake and the physician...
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Clinical significance of radiation-induced liver disease after stereotactic body radiation therapy for hepatocellular carcinoma

Jun BG, Kim YD, Cheon GJ, Kim ES, Jwa E, Kim SG, Kim YS, Kim BS, Jeong SW, Jang JY, Lee SH, Kim HS

BACKGROUND/AIMS: The aim of this study was to investigate parameters that predict radiation-induced liver disease (RILD) following stereotactic body radiotherapy (SBRT) in patients with hepatocellular carcinoma (HCC) and to identify...
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