Jeongin Yoo
Seoul National University · Medicine
About the Lab
Professor Jeongin Yoo's research lab specializes in diagnostic and interventional radiology, with a focus on improving the accuracy and reproducibility of medical imaging techniques for liver and pancreatic diseases. The lab investigates advanced ultrasound elastography, abbreviated MRI protocols, and multimodal imaging strategies—such as PET/MRI and tumor marker integration—to enhance early detection, risk stratification, and treatment monitoring in hepatocellular carcinoma and pancreatic ductal adenocarcinoma. A key emphasis is placed on developing practical, cost-effective, and reliable imaging biomarkers for clinical decision-making in gastrointestinal and hepatobiliary malignancies.
Research Overview
Research Output Trend
Figures are computed from collected data and may differ slightly.
Selected Papers
15ATI showed high intra- and inter-observer reproducibility in the assessment of hepatic steatosis.
BACKGROUND & AIMS: A recent study showed that serum tumour marker-based MoRAL score (11×√protein induced by vitamin K absence-II [PIVKA] +2×√alpha-foetoprotein [AFP]) can reflect both tumour burden and aggressiveness of hepatocellular carcinoma (HCC). This study aimed to evaluate whether baseline MoRAL score could predict tumour recurrence after radiofrequency ablation (RFA) for very-early/early-stage HCC. METHODS: A total of 576 HCC patients who underwent RFA as initial treatment were enrolled
S-Shearwave Imaging demonstrated excellent intra- and inter-observer repeatability, and a strong correlation with pSWE measurements of liver stiffness. However, because of the significant difference between LSMs obtained using 2D-SWE and pSWE, these methods should not be used interchangeably.
OBJECTIVES: To determine the clinical feasibility of abbreviated magnetic resonance image (MRI) using breath-hold 3-dimensional magnetic resonance cholangiopancreatography (3D-MRCP) (aMRI-BH) for pancreatic intraductal papillary mucinous neoplasm (IPMN) surveillance. MATERIALS AND METHODS: In this retrospective study, 123 patients with 158 pancreatic IPMNs (pathologically proven [n = 73] and typical image feature with ≥2-year stability [n = 85]) who underwent conventional MRI (cMRI) consisting o
BACKGROUND: F-fluorodeoxyglucose (FDG) postiron emission tomography (PET)/MRI and carbohydrate antigen (CA) 19-9 to contrast-enhanced CT (CECT) can improve accuracy of predicting resectability compared to CECT alone and predict prognosis in PDAC patients after NAT. METHODS: In this retrospective study, 120 PDAC patients (65 women; mean age, 66.7 years [standard deviation, 8.4]) underwent CECT, PET/MRI, and CA 19-9 examinations after NAT between January 2013 and June 2021. Three board-certified r
Screening thyroid US exhibited a good diagnostic performance, with a feasible social cost of use. This modality demonstrated significant differences in sonographic features between screening-detected cancer and benign nodules.
PET/MRI may add value to CECT in patients with biliary tract cancer both in the initial workup for staging and determination of overall resectability and in follow-up for local recurrence.
OBJECTIVES: To investigate the clinical utility of fully-automated 3D organ segmentation in assessing hepatic steatosis on pre-contrast and post-contrast CT images using magnetic resonance spectroscopy (MRS)-proton density fat fraction (PDFF) as reference standard. MATERIALS AND METHODS: This retrospective study analyzed 362 adult potential living liver donors with abdominal CT scans and MRS-PDFF. Using a deep learning-based tool, mean volumetric CT attenuation of the liver and spleen were measu
Research Areas
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