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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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Differentiation between Glioblastoma and Solitary Metastasis: Morphologic Assessment by Conventional Brain MR Imaging and Diffusion-Weighted Imaging

Jung BY, Lee EJ, Bae JM, Choi YJ, Lee EK, Kim DB

Purpose: Differentiating between glioblastoma and solitary metastasis is very important for the planning of further workup and treatment. We assessed the ability of various morphological parameters using conventional MRI and...
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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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Cascaded Residual Dense Networks for Dynamic MR Imaging with Edge-Enhanced Loss Constraint

Ke Z, Zhu Y, Liang D

Dynamic magnetic resonance (MR) imaging has generated great research interest, because it can provide both spatial and temporal information for clinical diagnosis. However, slow imaging speed or long scanning time is...
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Collison Tumor of Adenocarcinoma and Diffuse Large B-Cell Lymphoma in the Rectum: a Case Report and Literature Review

Kim SH

Collision tumor is a synchronous neoplasm wherein two histologically distinct tumors co-exist within the same anastomosis site. Collision tumor can occur in any organ, but the incidence is markedly rare....
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Efficacy, Efficiency, and Safety of Magnetic Resonance-Guided High-Intensity Focused Ultrasound for Ablation of Uterine Fibroids: Comparison with Ultrasound-Guided Method

Wang Y, Wang ZB, Xu YH

OBJECTIVE: The purpose of this study was to compare efficacy, sonication energy efficiency, treatment time and safety of magnetic resonance-guided high-intensity focused ultrasound (MRgHIFU) and those of ultrasound-guided high-intensity focused...
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Early Changes in Apparent Diffusion Coefficient for Salivary Glands during Radiotherapy for Nasopharyngeal Carcinoma Associated with Xerostomia

Zhang Q, Wei YM, Qi YG, Li BS

OBJECTIVE: To evaluate the early changes in the apparent diffusion coefficient (ADC) of the salivary glands during radiotherapy (RT) and their association with the degree of xerostomia at 6 months...
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Diffusion-Weighted MR Imaging of Unicystic Odontogenic Tumors for Differentiation of Unicystic Ameloblastomas from Keratocystic Odontogenic Tumors

Han Y, Fan X, Su L, Wang Z

OBJECTIVE: Differentiating unicystic ameloblastomas from keratocystic odontogenic tumors (KCOT) is necessary for the planning of different treatment strategies; however, it is difficult based on conventional CT and MR sequences alone....
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Differentiation between Glioblastoma and Primary Central Nervous System Lymphoma Using Dynamic Susceptibility Contrast-Enhanced Perfusion MR Imaging: Comparison Study of the Manual versus Semiautomatic Segmentation Method

Kim YE, Choi SH, Lee ST, Kim TM, Park CK, Park SH, Kim IH

BACKGROUND: Normalized cerebral blood volume (nCBV) can be measured using manual or semiautomatic segmentation method. However, the difference in diagnostic performance on brain tumor differentiation between differently measured nCBV has...
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Anatomical Variants of Lister's Tubercle: A New Morphological Classification Based on Magnetic Resonance Imaging

Chan WY, Chong LR

OBJECTIVE: Lister's tubercle is used as a standard anatomical landmark in hand surgery and arthroscopy procedures. In this study, we aimed to evaluate and propose a classification for anatomical variants...
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The Effectiveness of Ferritin as a Contrast Agent for Cell Tracking MRI in Mouse Cancer Models

Lee CW, Choi SI, Lee SJ, Oh YT, Park G, Park NY, Yoon KA, Kim S, Kim D, Kim YH, Suh JS

PURPOSE: We aimed to investigate the effectiveness of ferritin as a contrast agent and a potential reporter gene for tracking tumor cells or macrophages in mouse cancer models. MATERIALS AND METHODS:...
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Coronary Microembolization with Normal Epicardial Coronary Arteries and No Visible Infarcts on Nitrobluetetrazolium Chloride-Stained Specimens: Evaluation with Cardiac Magnetic Resonance Imaging in a Swine Model

Jin H, Yun H, Ma J, Chen Z, Chang S, Zeng M

OBJECTIVE: To assess magnetic resonance imaging (MRI) features of coronary microembolization in a swine model induced by small-sized microemboli, which may cause microinfarcts invisible to the naked eye. MATERIALS AND METHODS:...
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Evaluation of the Differences of Myocardial Fibers between Acute and Chronic Myocardial Infarction: Application of Diffusion Tensor Magnetic Resonance Imaging in a Rhesus Monkey Model

Wang Y, Cai W, Wang L, Xia R, Chen W, Zheng J, Gao F

OBJECTIVE: To understand microstructural changes after myocardial infarction (MI), we evaluated myocardial fibers of rhesus monkeys during acute or chronic MI, and identified the differences of myocardial fibers between acute...
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Cerebellar Clear Cell Ependymoma in a 10-Year-Old Girl

Thinzar AN, Park J, Moon A, Hwang SC, Hong HS, Lee AL, Chang KH, Kim HK, Chin S

Clear cell ependymoma (CCE) is a histological rare variant (1-5%) of ependymoma, which is distinguished from other histological subtypes by the presence of fusiform cells arrayed radially around small blood...
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Preoperative Estimation of Future Remnant Liver Function Following Portal Vein Embolization Using Relative Enhancement on Gadoxetic Acid Disodium-Enhanced Magnetic Resonance Imaging

Sato Y, Matsushima S, Inaba Y, Sano T, Yamaura H, Kato M, Shimizu Y, Senda Y, Ishiguchi

OBJECTIVE: To retrospectively evaluate relative enhancement (RE) in the hepatobiliary phase of gadoxetic acid disodium-enhanced magnetic resonance (MR) imaging as a preoperative estimation of future remnant liver (FRL) function in...
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Multiphase Contrast-Enhanced Magnetic Resonance Imaging Features of Bacillus Calmette-Guerin-Induced Granulomatous Prostatitis in Five Patients

Kawada H, Kanematsu , Goshima S, Kondo H, Watanabe H, Noda Y, Tanahashi , Kawai N, Hoshi H

OBJECTIVE: To evaluate the multiphase contrast-enhanced magnetic resonance (MR) imaging features of Bacillus Calmette-Guerin (BCG)-induced granulomatous prostatitis (GP). MATERIALS AND METHODS: Magnetic resonance images obtained from five patients with histopathologically proven...
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MRI Findings of Intrinsic and Extrinsic Duodenal Abnormalities and Variations

Dusunceli Atman E, Erden A, Ustuner E, Uzun C, Bektas M

This pictorial review aims to illustrate the magnetic resonance imaging (MRI) findings and presentation patterns of anatomical variations and various benign and malignant pathologies of the duodenum, including sphincter contraction,...
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Immunoglobulin G4-Related Kidney Disease: A Comprehensive Pictorial Review of the Imaging Spectrum, Mimickers, and Clinicopathological Characteristics

Seo N, Kim JH, Byun JH, Lee SS, Kim HJ, Lee MG

Immunoglobulin G4 (IgG4)-related kidney disease (IgG4-KD) has recently been demonstrated to be an important part of IgG4-related sclerosing disease (IgG4-SD). However, since IgG4-KD is still relatively unfamiliar to radiologists and...
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Differentiation of Common Pancreatic Cystic Neoplasms Based Upon Multiplicity of Cysts

Jung YY, Byun JH, Kim JH, Lee SS, Kim HJ, Lee MG

PURPOSE: To evaluate the multiplicity and mean number of cystic lesions in patients with branch duct intraductal papillary mucinous neoplasms (BD-IPMNs), serous cystadenomas (SCAs), and mucinous cystic neoplasms (MCNs) of...
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Soft Tissue Masses Showing Low Signal Intensity on T2-weighted Images: Correlation with Pathologic Findings

Song YS, Lee IS, Choi KU, Cho KH, Lee SM, Lee YH, Kim JI

OBJECTIVE: The aims of this article are to differentiate soft tissue masses showing low signal intensity on T2-weighted images (T2WIs) according to the histopathologic findings. CONCLUSION: To know relatively small numbered...
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