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Monitoring Cerebral Perfusion Changes Using Arterial Spin-Labeling Perfusion MRI after Indirect Revascularization in Children with Moyamoya Disease

Lee SB, Lee S, Cho YJ, Choi YH, Cheon JE, Kim WS

Objective: To assess the role of arterial spin-labeling (ASL) perfusion MRI in identifying cerebral perfusion changes after indirect revascularization in children with moyamoya disease. Materials and Methods: We included pre- and...
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Comparing Initial Magnetic Resonance Imaging Findings to Differentiate between Krabbe Disease and Metachromatic Leukodystrophy in Children

Koh SY, Choi YH, Lee SB, Lee S, Cho YJ, Cheon JE

Purpose: To identify characteristic magnetic resonance imaging (MRI) features to differentiate between Krabbe disease and metachromatic leukodystrophy (MLD) in young children. Materials and Methods: We collected all confirmed cases of Krabbe...
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Diagnostic Performance of a New Convolutional Neural Network Algorithm for Detecting Developmental Dysplasia of the Hip on Anteroposterior Radiographs

Park HS, Jeon K, Cho YJ, Kim SW, Lee SB, Choi G, Lee S, Choi YH, Cheon JE, Kim WS, Ryu YJ, Hwang JY

Objective: To evaluate the diagnostic performance of a deep learning algorithm for the automated detection of developmental dysplasia of the hip (DDH) on anteroposterior (AP) radiographs. Materials and Methods: Of 2601...
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Posterior Lung Herniation in Pulmonary Agenesis and Aplasia: Chest Radiograph and Cross-Sectional Imaging Correlation

Kim JY, Kim WS, Lee KS, Je BK, Park JE, Ryu YJ, Choi YH, Cheon JE

Objective: To describe the anatomic locations and imaging features of posterior lung herniation in unilateral pulmonary agenesis and aplasia, focusing on radiograph-CT/MRI correlation. Materials and Methods: A total of 10 patients...
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Contrast-enhanced voiding urosonography for the diagnosis of vesicoureteral reflux and intrarenal reflux: a comparison of diagnostic performance with fluoroscopic voiding cystourethrography

Kim D, Choi YH, Choi G, Lee S, Lee S, Cho YJ, Lim SH, Kang HG, Cheon JE

Purpose: This study evaluated the diagnostic performance of contrast-enhanced voiding urosonography (ce-VUS) using a second-generation ultrasound contrast agent for the diagnosis of vesicoureteral reflux (VUR) and intrarenal reflux (IRR), and...
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A Familial Case of Childhood Ataxia with Leukodystrophy Due to Novel POLR1C Mutations

Han JY, Kim SY, Cheon JE, Choi M, Lee JS, Chae JH

No abstract available.
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Incidence and Risk Factors of Nausea and Vomiting after Exposure to Low-Osmolality Iodinated Contrast Media in Children: A Focus on Preparative Fasting

Ha JY, Choi YH, Cho YJ, Lee S, Lee SB, Choi G, Cheon JE, Kim WS

Objective: To evaluate the incidence and risk factors of emetic complications associated with the intravenous administration of low-osmolality iodinated contrast media (ICM) in children undergoing computed tomography (CT). Materials and Methods:...
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Application of Vendor-Neutral Iterative Reconstruction Technique to Pediatric Abdominal Computed Tomography

Lim WH, Choi YH, Park JE, Cho YJ, Lee S, Cheon JE, Kim WS, Kim IO, Kim JH

OBJECTIVE: To compare image qualities between vendor-neutral and vendor-specific hybrid iterative reconstruction (IR) techniques for abdominopelvic computed tomography (CT) in young patients. MATERIALS AND METHODS: In phantom study, we used an...
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Arterial Spin Labeling MRI for Quantitative Assessment of Cerebral Perfusion Before and After Cerebral Revascularization in Children with Moyamoya Disease

Ha JY, Choi YH, Lee S, Cho YJ, Cheon JE, Kim IO, Kim WS

OBJECTIVE: To determine the correlation between cerebral blood flow (CBF) on arterial spin labeling (ASL) MRI and the degree of postoperative revascularization assessed on digital subtraction angiography in children with...
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Optimal Kiloelectron Volt for Noise-Optimized Virtual Monoenergetic Images of Dual-Energy Pediatric Abdominopelvic Computed Tomography: Preliminary Results

Kim TM, Choi YH, Cheon JE, Kim WS, Kim IO, Park JE, Shin SM, Pak SY, Krauss B

OBJECTIVE: To compare quantitative and qualitative image quality parameters in pediatric abdominopelvic dual-energy CT (DECT) using noise-optimized virtual monoenergetic image (VMI) and conventional VMI at different kiloelectron volt (keV) levels. MATERIALS...
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Mycobacterium bovis Osteitis Following Immunization with Bacille Calmette-Guérin (BCG) in Korea

Choi YY, Han MS, Lee HJ, Yun KW, Shin CH, Yoo WJ, Cho TJ, Cheon JE, Park KU, Choi EH

BACKGROUND: Mycobacterium bovis Bacille Calmette-Guérin (BCG) osteitis, a rare complication of BCG vaccination, has not been well investigated in Korea. This study aimed to evaluate the clinical characteristics of BCG...
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Accurate measurements of liver stiffness using shear wave elastography in children and young adults and the role of the stability index

Hong EK, Choi YH, Cheon JE, Kim WS, Kim IO, Kang SY

PURPOSE: The purpose of this study was to evaluate the usefulness of the stability index (SI) in liver stiffness measurements using shear wave elastography (SWE) in children. METHODS: A total of...
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Ultrasonographic features differentiating thyroglossal duct cysts from dermoid cysts

Choi HI, Choi YH, Cheon JE, Kim WS, Kim IO

PURPOSE: The purpose of this study was to identify ultrasonographic features that can be used to differentiate between thyroglossal duct cysts (TGDCs) and dermoid cysts (DCs). METHODS: We searched surgical pathology...
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Comparison between 3-dimensional cranial ultrasonography and conventional 2-dimensional cranial ultrasonography in neonates: impact on reinterpretation

Kim YJ, Choi YH, Cho HH, Lee SM, Park JE, Cheon JE, Kim WS, Kim IO

PURPOSE: The aim of this study was to evaluate impact of 3-dimensional cranial ultrasonography (3DUS) on reinterpretation of cranial ultrasonography images in neonates in comparison with 2-dimensional cranial ultrasonography (2DUS). METHODS:...
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Coexistence of Radiation-Induced Meningioma and Moyamoya Syndrome 10 Years after Irradiation against Medulloblastoma: a Case Report

Han JY, Choi JW, Wang KC, Phi JH, Lee JY, Chae JH, Park SH, Cheon JE, Kim SK

Radiotherapy is one of the standard treatments for medulloblastoma. However, therapeutic central nervous system irradiation in children may carry delayed side effects, such as radiation-induced tumor and vasculopathy. Here, we...
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Ultrasonography of hydronephrosis in the newborn: a practical review

Choi YH, Cheon JE, Kim WS, Kim IO

Widespread use of fetal ultrasonography is accompanied by more frequent detection of antenatal hydronephrosis. Therefore, sonographic evaluation of neonates with a history of antenatal hydronephrosis is becoming more widespread. As...
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A Case of Nongerminomatous Germ Cell Tumor with Fulminant Course Concomitant Leptomeningeal Metastasis

Jeong YB, Wang KC, Phi JH, Lee JY, Cheon JE, Kang HJ, Kim IH, Kim SK

We present the case of a 9-year-old boy with a non-germinomatous germ cell tumor (NGGCT) in the pineal gland that exhibited a fulminant course following chemo- and radiotherapy. After the...
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Erratum: Ultrasonographic Diagnosis of Biliary Atresia Based on a Decision-Making Tree Model

Lee SM, Cheon JE, Choi YH, Kim WS, Cho HH, Kim IO, You SK

On page 1364, the fifth author's name has been incorrectly spelled.
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Hemophagocytic lymphohistiocytosis diagnosed by brain biopsy

Ju HY, Hong CR, Kim SJ, Lee JW, Kim H, Kang HJ, Park KD, Shin HY, Chae JH, Phi JH, Cheon JE, Park SH, Ahn HS

Hemophagocytic lymphohistiocytosis (HLH) is characterized by fever, splenomegaly, jaundice, and pathologic findings of hemophagocytosis in bone marrow or other tissues such as the lymph nodes and liver. Pleocytosis, or the...
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Quantitative Digital Subtraction Angiography in Pediatric Moyamoya Disease

Cheon JE

Moyamoya disease is a unique cerebrovascular disorder characterized by idiopathic progressive stenosis at the terminal portion of the internal carotid artery (ICA) and fine vascular network. The aim of this...
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