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Patient-Specific Computational Fluid Dynamics in Ruptured Posterior Communicating Aneurysms Using Measured Non-Newtonian Viscosity : A Preliminary Study

Lee UY, Jung J, Kwak HS, Lee DH, Chung GH, Park JS, Koh EJ

OBJECTIVE: The objective of this study was to analyze patient-specific blood flow in ruptured aneurysms using obtained non-Newtonian viscosity and to observe associated hemodynamic features and morphological effects. METHODS: Five patients...
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Alteration of Semantic Networks during Swear Words Processing in Schizophrenia

Lee SW, Jeong B, Park JI, Chung GH, Lee HJ, Cui Y, Kim WS, Oh KH, Oh IS, Shen GF, Chung YC

OBJECTIVE: Positive symptoms, such as delusion and hallucination, commonly include negative emotional content in schizophrenia. We investigated the neural basis implicated during the processing of strong negative emotional words in...
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Language-Related White-Matter-Tract Deficits in Children with Benign Epilepsy with Centrotemporal Spikes: A Retrospective Study

Kim HH, Chung GH, Park SH, Kim SJ

BACKGROUND AND PURPOSE: Benign epilepsy with centrotemporal spikes (BECTS) is one of the most common pediatric epilepsies, and it generally has a good prognosis. However, recent research has indicated that...
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Neural Signature for Auditory Hallucinations in Schizophrenia: A High-Resolution Positron Emission Tomography Study with Fludeoxyglucose (¹⁸F)

Kim JH, Son YD, Kim JH, Lee HJ, Kang NI, Chung GH, Park JI, Cui Y, Kim WS, Chung YC

OBJECTIVE: Auditory hallucinations (AHs) are a core symptom of schizophrenia. We investigated the neural signature of AHs by comparing hallucinating patients with schizophrenia with non-hallucinating patients with schizophrenia. METHODS: We recruited...
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Carotid Intraplaque Hemorrhage Imaging: Diagnostic Value of High Signal Intensity Time-of-Flight MR Angiography Compared with Magnetization-Prepared Rapid Acquisition with Gradient-Echo Sequencing

Ahn JE, Kwak HS, Chung GH, Hwang SB

PURPOSE: To determine the value of the appearance of the high signal intensity halo sign for detecting carotid intraplaque hemorrhage (IPH) on maximum intensity projection (MIP) of time-of-flight (TOF) MR...
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The Safety of Protected Carotid Artery Stenting in Patients with Unstable Plaque on Carotid High-Resolution MR Imaging

Jeong JY, Kwak HS, Hwang SB, Chung GH

PURPOSE: The aim of this study was to determine the safety of the carotid artery stenting (CAS) procedure, using an embolic protection device which is based on the presence of...
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Wall Shear Stress and Flow Patterns in Unruptured and Ruptured Anterior Communicating Artery Aneurysms Using Computational Fluid Dynamics

Lee UY, Jung J, Kwak HS, Lee DH, Chung GH, Park JS, Koh EJ

OBJECTIVE: The goal of this study was to compare several parameters, including wall shear stress (WSS) and flow pattern, between unruptured and ruptured anterior communicating artery (ACoA) aneurysms using patient-specific...
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Carotid Wall Imaging with Routine Brain MRI to Facilitate Early Detection of Carotid Plaque and Intraplaque Hemorrhage

Kwak HS, Yang HJ, Hwang SB, Chung GH

No abstract available.
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Carotidynia presenting with acute ischemic stroke after carotid sinus massage

Kwak HS, Chung GH, Lee CH, Jeong SK, Ryu HU

Carotidynia is characterized by unilateral neck pain around the carotid artery. We describe a 50-year-old woman who presented with transient left-side weakness and right-side neck pain. She frequently massaged the...
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Histological Evidence of Artery to Artery Embolism from Calcified Atherosclerotic Plaque of Carotid Artery

Na SI, Ryu HU, Lee CH, Jang HS, Lee SW, Yang TH, Kwak HS, Chung GH, Jeong SK

Artery to artery embolism is one of the main causes of cerebral infarction, and it can originate from many locations. Here we report a case of cerebral infarction in which...
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Intra-Individual, Inter-Vendor Comparison of Diffusion-Weighted MR Imaging of Upper Abdominal Organs at 3.0 Tesla with an Emphasis on the Value of Normalization with the Spleen

Song JS, Hwang SB, Chung GH, Jin GY

OBJECTIVE: To compare the apparent diffusion coefficient (ADC) values of upper abdominal organs with 2 different 3.0 tesla MR systems and to investigate the usefulness of normalization using the spleen. MATERIALS...
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Assessment of Carotid Diffusion-Weighted Imaging for Detection of Lipid-Rich Necrotic Core in Symptomatic Carotid Atheroma

Lee KJ, Kwak HS, Chung GH, Hwang SB, Song JS

PURPOSE: To evaluate the diagnostic usefulness of diffusion-weighted MR imaging (DWI) compared with contrast-enhanced MR imaging for the detection of the lipid-rich necrotic core (LRNC) of symptomatic carotid atherosclerotic plaques. MATERIALS...
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Brain Activation Patterns Associated with the Effects of Emotional Distracters during Working Memory Maintenance in Patients with Generalized Anxiety Disorder

Park JI, Kim GW, Jeong GW, Chung GH, Yang JC

Few studies have assessed the neural mechanisms of the effects of emotion on cognition in generalized anxiety disorder (GAD) patients. In this functional MRI (fMRI), we investigated the effects of...
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Correction: Neuroradiological and Neurophysiological Characteristics of Patients With Dyskinetic Cerebral Palsy

Park BH, Park SH, Seo JH, Ko MH, Chung GH

We found that one phrase should be corrected.
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Association of Carotid Intraplaque Hemorrhage and Territorial Acute Infarction in Patients with Acute Neurological Symptoms Using Carotid Magnetization-Prepared Rapid Acquisition with Gradient-Echo

Park JS, Kwak HS, Lee JM, Koh EJ, Chung GH, Hwang SB

OBJECTIVE: The purpose of our study was to assess prevalence of carotid intraplaque hemorrhage (IPH) and associations between territorial acute infarction and IPH on magnetization-prepared rapid acquisition with gradient-echo (MPRAGE)...
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Symptomatic Isolated Middle Cerebral Artery Dissection: High Resolution MR Findings

Byon JH, Kwak HS, Chung GH, Hwang S

PURPOSE: To perform high-resolution magnetic resonance imaging (HRMRI) and determine clinical features of patients with acute symptomatic middle cerebral artery (MCA) dissection. MATERIALS AND METHODS: Thirteen patients with acute symptomatic MCA...
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Rapid Progression of Symptomatic Vertebrobasilar Artery Dissection on Magnetic Resonance Imaging: A Case Report

Kim HS, Kwak HS, Hwang SB, Chung GH

Spontaneous intracranial vertebrobasilar dissection can manifest with various clinical symptoms, including subarachnoid hemorrhage or ischemic symptoms from impaired posterior circulation. A 29-year-old woman came to our emergency department with a...
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Neuroradiological and Neurophysiological Characteristics of Patients With Dyskinetic Cerebral Palsy

Park BH, Park SH, Seo JH, Ko MH, Chung GH

  • KMID: 2407879
  • Ann Rehabil Med.
  • 2014 Apr;38(2):189-199.
OBJECTIVE: To investigate neuroradiological and neurophysiological characteristics of patients with dyskinetic cerebral palsy (CP), by using magnetic resonance imaging (MRI), voxel-based morphometry (VBM), diffusion tensor tractography (DTT), and motor evoked...
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Retropharyngeal Spindle Cell/Pleomorphic Lipoma

Lee HK, Hwang SB, Chung GH, Hong KH, Jang KY

Spindle cell/pleomorphic lipoma is an uncommon benign adipose tissue tumor most frequently arising from the subcutaneous tissue of the back, shoulder, head and neck, and extremities. The deep cervical spaces...
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Effects of Korean Proficiency and Parent-child Cohesion on Self-esteem and Acculturation among Children from Multicultural Families

Kim MY, Lim JY, Chung GH

PURPOSE: There is evidence that parent-child cohesion is a potentially influential factor in children's self-esteem and acculturation. However, no research to date has examined cohesion with parents as a potential...
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