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A Case of Widespread Cavernous Malformations of the Central Nervous System Associated with Acute Neurologic Deficit

Noh KC, Chung SE, Lee D

A 45-year-old female visited our clinic due to sudden right leg weakness and sensory loss. Brain and spinal cord magnetic resonance imaging showed widespread cavernous malformations. Cavernous malformation in L1...
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Progressive Transformation of Germinal Centers in Presacral Space: MRI Findings and Literature Review

Hwang ST, Sung DJ, Sim KC, Han NY, Park BJ, Kim MJ, Lee JH

Progressive transformation of germinal centers (PTGC) is an atypical feature seen in lymph nodes with unknown pathogenesis. PTGC most commonly presents in adolescent and young adult males as solitary painless...
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Methanol-Induced Encephalopathy: a Case Report

Kim HJ, Sunwoo MK, Lee JH, Choi YS, Kim DY

A characteristic imaging finding in cases of methanol intoxication is putaminal necrosis, but its presence is usually not suspected due to its rarity. Methanol intoxication generally produces serious neurological symptoms...
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Extraosseous Ewing's Sarcoma Presented as a Rectal Subepithelial Tumor: Radiological and Pathological Features

Bae H, Chung T, Park MS, Kim MJ, Lim JS, Kim H

PURPOSE: Extraosseous Ewing's sarcoma (EOE) of the rectum is extremely rare: only three cases have been reported in the literature and none of these reports described their imaging findings in...
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Temporal Evolution of a Chronic Expanding Organizing Hematoma on MRI, Including Functional MR Imaging Techniques: a Case Report

Lee J, Lee T, Oh E, Yoon YC

Chronic expanding organizing hematoma (CEH) occasionally mimics a soft tissue tumor on MRI, which becomes more problematic in patients with a history of surgical resection for musculoskeletal malignancy. Herein, we...
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Rare Form of Schwannoma as a Purely Hemorrhagic Cystic Tumor Located in an Intermuscular Plane

Lim JH, Shim JC, Yoon BH, Kang YK, Lee KE, Kim HK, Lee GJ, Suh JH

Schwannomas are mostly solid tumors, some of which may contain cystic degenerations or hemorrhages. However, a schwannoma seen as a purely hemorrhagic cystic tumor is very rare. A 63-year-old woman...
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Assessment of Left Ventricular Function with Single Breath-Hold Magnetic Resonance Cine Imaging in Patients with Arrhythmia

Bak SH, Kim SM, Park SJ, Kim MJ, Choe YH

PURPOSE: To evaluate quantification results of single breath-hold (SBH) magnetic resonance (MR) cine imaging compared to results of conventional multiple breath-hold (MBH) technique for left ventricular (LV) function in patients...
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Dual Component Analysis for In Vivo T₂* Decay of Hyperpolarized ¹³C Metabolites

Joe E, Lee J, Lee H, Yang S, Choi YS, Wang E, Song HT, Kim DH

PURPOSE: To investigate the exchange and redistribution of hyperpolarized ¹³C metabolites between different pools by temporally analyzing the relative fraction of dual T₂* components of hyperpolarized ¹³C metabolites. MATERIALS AND METHODS:...
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Measurement and Compensation of Respiration-Induced B0 Variations in Lumbar Spine Bone Marrow Fat Quantification

Nam Y, Hwang E, Jung JY

PURPOSE: To investigate and compensate the effects of respiration-induced B0 variations on fat quantification of the bone marrow in the lumbar spine. MATERIALS AND METHODS: Multi-echo gradient echo images with navigator...
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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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