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KMID : 1103720140710040155
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Journal of the Korean Society of Radiology
2014 Volume.71 No. 4 p.155 ~ p.159
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Post-Traumatic Contrast Enhancing Brain Lesion1
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Kim Dae-Jung
Kim Hyun-Suk
Jeong Min-Sun
Kim Deok-Ryeong
Cho Young-Kwon
Choi Yun-Sun
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Abstract
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Only a few studies have been reported on the MR contrast enhancement and the apparent diffusion coefficient (ADC) findings of the post-traumatic lesion of the brain. We report a case of the venous ischemia in the left frontal lobe observed in the MRI obtained one day after the incidence of trauma. Considering the presented slight increase in the ADC, the vasogenic edema was thought to be the major mechanism of the venous ischemia and excitotoxic injury. In spite of a slight increase in the ADC, the hyperintensity in the diffusion weighted imaging and contrast-enhanced areas eventually changed into hemorrhagic lesions.
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KEYWORD
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Post-Traumatic Contrast Enhancement Lesion, Early Vasogenic Edema, Venous Ischemia, Excitotoxic Injury
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