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Assessment of Mild Cognitive Impairment in Elderly Subjects Using a Fully Automated Brain Segmentation Software

Kwon C, Kang KM, Byun MS, Yi D, Song H, Lee JY, Hwang I, Yoo RE, Yun TJ, Choi SH, Kim Jh, Sohn CH, Lee DY, for the KBASE Research Group

Purpose: Mild cognitive impairment (MCI) is a prodromal stage of Alzheimer's disease (AD). Brain atrophy in this disease spectrum begins in the medial temporal lobe structure, which can be recognized...
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Prediction of Prognosis in Glioblastoma Using Radiomics Features of Dynamic Contrast-Enhanced MRI

Pak E, Choi KS, Choi SH, Park CK, Kim TM, Park SH, Lee JH, Lee ST, Hwang I, Yoo RE, Kang KM, Yun TJ, Kim JH, Sohn CH

Objective: To develop a radiomics risk score based on dynamic contrast-enhanced (DCE) MRI for prognosis prediction in patients with glioblastoma. Materials and Methods: One hundred and fifty patients (92 male [61.3%];...
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Diagnostic Performance of the Modified Korean Thyroid Imaging Reporting and Data System for Thyroid Malignancy: A Multicenter Validation Study

Chung SR, Ahn HS, Choi YJ, Lee JY, Yoo RE, Lee YJ, Kim JY, Sung JY, Kim Jh, Baek JH

Objective: To evaluate the diagnostic performance of the modified Korean Thyroid Imaging Reporting and Data System (K-TIRADS), and compare it with the 2016 version of K-TIRADS using the Thyroid Imaging...
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Renal Safety of Repeated Intravascular Administrations of Iodinated or Gadolinium-Based Contrast Media within a Short Interval

Kwon C, Kang KM, Choi YH, Yoo RE, Sohn CH, Han SS, Yoon SH

Objective: We aimed to investigate whether repeated intravascular administration of iodinated contrast media (ICM) or gadolinium-based contrast agents (GBCAs) within a short interval was associated with an increased risk of...
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Prognostic Prediction Based on Dynamic Contrast-Enhanced MRI and Dynamic Susceptibility Contrast-Enhanced MRI Parameters from Non-Enhancing, T2-High-Signal-Intensity Lesions in Patients with Glioblastoma

Jo SW, Choi SH, Lee EJ, Yoo RE, Kang KM, Yun TJ, Kim JH, Sohn CH

Objective: Few attempts have been made to investigate the prognostic value of dynamic contrast-enhanced (DCE) MRI or dynamic susceptibility contrast (DSC) MRI of non-enhancing, T2-high-signal-intensity (T2-HSI) lesions of glioblastoma multiforme...
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Application of T1 Map Information Based on Synthetic MRI for Dynamic Contrast-Enhanced Imaging: A Comparison Study with the Fixed Baseline T1 Value Method

Shin DJ, Choi SH, Yoo RE, Kang KM, Yun TJ, Kim JH, Sohn CH, Jo SW, Lee EJ

Objective: For an accurate dynamic contrast-enhanced (DCE) MRI analysis, exact baseline T1 mapping is critical. The purpose of this study was to compare the pharmacokinetic parameters of DCE MRI using...
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The Emerging Role of Fast MR Techniques in Traumatic Brain Injury

Yoo RE, Choi SH

Post-concussion syndrome (PCS) following mild traumatic brain injury (mTBI) is a major factor that contributes to the increased socioeconomic burden caused by TBI. Myelin loss has been implicated in the development...
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Cerebrovascular Reservoir and Arterial Transit Time Changes Assessed by Acetazolamide-Challenged Multi-Phase Arterial Spin Labeling Perfusion MRI in Chronic Cerebrovascular Steno-Occlusive Disease

Hwang I, Sohn CH, Jung KH, Yeon EK, Lee JY, Yoo RE, Kang KM, Yun TJ, Choi SH, Kim Jh

Purpose: To explore cerebrovascular reservoir (CVR) and arterial transit time (ATT) changes using acetazolamide-challenged multi-phase arterial spin labeling (MP-ASL) perfusion-weighted MRI in chronic cerebrovascular steno-occlusive disease. Materials and Methods: This retrospective...
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The Fate of Partially Thrombosed Intracranial Aneurysms Treated with Endovascular Intervention

Lee J, Cho WS, Yoo RE, Yoo DH, Cho YD, Kang HS, Kim JE

Objective : The fate of partially thrombosed intracranial aneurysms (PTIAs) is not well known after endovascular treatment. The authors aimed to analyze the treatment outcomes of PTIAs. Methods : We retrospectively...
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Comparison of Genetic Profiles and Prognosis of High-Grade Gliomas Using Quantitative and Qualitative MRI Features: A Focus on G3 Gliomas

Hong EK, Choi SH, Shin DJ, Jo SW, Yoo RE, Kang KM, Yun TJ, Kim Jh, Sohn CH, Park SH, Won JK, Kim TM, Park CK, Kim IH, Lee ST

Objective: To evaluate the association of MRI features with the major genomic profiles and prognosis of World Health Organization grade III (G3) gliomas compared with those of glioblastomas (GBMs). Materials and...
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Diagnostic performance of the modified Korean Thyroid Imaging Reporting and Data System for thyroid malignancy according to nodule size: a comparison with five society guidelines

Na DG, Paik W, Cha J, Gwon HY, Kim SY, Yoo RE

Purpose: The aim of this study was to evaluate the diagnostic performance of the modified Korean Thyroid Imaging Reporting and Data System (K-TIRADS) compared with five society risk stratification systems...
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Blood-Brain Barrier Disruption in Mild Traumatic Brain Injury Patients with Post-Concussion Syndrome: Evaluation with Region-Based Quantification of Dynamic Contrast-Enhanced MR Imaging Parameters Using Automatic Whole-Brain Segmentation

Yoen H, Yoo RE, Choi SH, Kim E, Oh BM, Yang D, Hwang I, Kang KM, Yun TJ, Kim Jh, Sohn CH

Objective: This study aimed to investigate the blood-brain barrier (BBB) disruption in mild traumatic brain injury (mTBI) patients with post-concussion syndrome (PCS) using dynamic contrast-enhanced (DCE) magnetic resonance (MR) imaging...
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Prognostic Value of Dynamic Contrast-Enhanced MRI-Derived Pharmacokinetic Variables in Glioblastoma Patients: Analysis of Contrast-Enhancing Lesions and Non-Enhancing T2 High-Signal Intensity Lesions

Kang Y, Hong EK, Rhim JH, Yoo RE, Kang KM, Yun TJ, Kim JH, Sohn CH, Park SW, Choi SH

Objective: To evaluate pharmacokinetic variables from contrast-enhancing lesions (CELs) and non-enhancing T2 high signal intensity lesions (NE-T2HSILs) on dynamic contrast-enhanced (DCE) magnetic resonance (MR) imaging for predicting progression-free survival (PFS)...
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Ultrasonographic Indeterminate Lymph Nodes inPreoperative Thyroid Cancer Patients: Malignancy Riskand Ultrasonographic Findings Predictive of Malignancy

Yoo RE, Kim Jh, Bae JM, Hwang I, Kang KM, Yun TJ, Choi SH, Sohn CH, Rhim JH, Park SW

Objective: Proper management of lymph nodes (LNs) with ultrasonographic (US) indeterminate features in thyroid cancer patients remains elusive. We aimed to evaluate the malignancy risk and US findings predictive of malignancy...
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Distribution and malignancy risk of six categories of the pathology reporting system for thyroid core-needle biopsy in 1,216 consecutive thyroid nodules

Son HM, Kim Jh, Kim SC, Yoo RE, Bae JM, Seo H, Na DG

Purpose: The purpose of this study was to present the distribution of lesions among the six categories of the pathology reporting system for thyroid core-needle biopsy (CNB), along with the...
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Corrigendum: Author's Name Correction. Study Protocol of Multicenter Prospective Cohort Study of Active Surveillance on Papillary Thyroid Microcarcinoma (MAeSTro)

Moon JH, Kim JH, Lee EK, Lee KE, Kong SH, Kim YK, Jeong WJ, Lee CY, Yoo RE, Hwangbo Y, Song YS, Kim MJ, Cho SW, Kim SJ, Chung EJ, Choi JY, Ryu CH, Lee YJ, Hah JH, Jung YS, Ryu J, Hwang Y, Park SK, Sung HK, Yi KH, Park DJ, Park YJ

Two of the authors' names were misprinted.
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Application of Synthetic MRI for Direct Measurement of Magnetic Resonance Relaxation Time and Tumor Volume at Multiple Time Points after Contrast Administration: Preliminary Results in Patients with Brain Metastasis

Kang KM, Choi SH, Hwang M, Yoo RE, Yun TJ, Kim JH, Sohn CH

OBJECTIVE: The purpose of this study was to investigate the time-dependent effects of contrast medium on multi-dynamic, multi-echo (MDME) sequence in patients with brain metastases. MATERIALS AND METHODS: This study included...
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Study Protocol of Multicenter Prospective Cohort Study of Active Surveillance on Papillary Thyroid Microcarcinoma (MAeSTro)

Moon JH, Kim JH, Lee EK, Lee KE, Kong SH, Kim YK, Jung WJ, Lee CY, Yoo RE, Hwangbo Y, Song YS, Kim MJ, Cho SW, Kim SJ, Jung EJ, Choi JY, Ryu CH, Lee YJ, Hah JH, Jung YS, Ryu J, Hwang Y, Park SK, Sung HK, Yi KH, Park DJ, Park YJ

BACKGROUND: The ongoing Multicenter Prospective Cohort Study of Active Surveillance on Papillary Thyroid Microcarcinoma (MAeSTro) aims to observe the natural course of papillary thyroid microcarcinoma (PTMC), develop a protocol for...
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Ossification of the Medial Clavicular Epiphysis on Chest Radiographs: Utility and Diagnostic Accuracy in Identifying Korean Adolescents and Young Adults under the Age of Majority

Yoon SH, Yoo HJ, Yoo RE, Lim HJ, Yoon JH, Park CM, Lee SS, Yoo SH

The aim of our study was to evaluate the utility and diagnostic accuracy of the ossification grade of medial clavicular epiphysis on chest radiographs for identifying Korean adolescents and young...
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Microcatheter Looping to Facilitate Aneurysm Selection in Coil Embolization of Paraclinoid Aneurysms

Cho YD, Rhim JK, Park JJ, Jeon JS, Yoo RE, Kang HS, Kim JE, Cho WS, Han MH

OBJECTIVE: Described herein is a microcatheter looping technique to facilitate aneurysm selection in paraclinoid aneurysms, which remains to be technically challenging due to the inherent complexity of regional anatomy. MATERIALS AND...
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