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KMID : 1143720170130020171
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Korean Journal of Neurotrauma
2017 Volume.13 No. 2 p.171 ~ p.175
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Complete Reversal of Diffusion Restriction after Treatment of Traumatic Carotid-Cavernous Fistula
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Shim Jeong-Hyun
Han In-Bo
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Abstract
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A 15-year-old man presented with stupor following a motorcycle traffic accident. The patient was diagnosed with a traumatic left carotid cavernous fistula (CCF) with pseudoaneurysm of the left internal carotid artery. Brain magnetic resonance imaging (MRI) showed transiently restricted diffusion in the left centrum semiovale white matter and lower temporo-occipital area extending to the splenium of the corpus callosum, with high signal intensity on diffusion-weighted imaging. On the 35th day of admission, the patient had complete neurological recovery and a follow-up brain MRI revealed complete resolution of the lesions in the left centrum semiovale and splenium of the corpus callosum. These clinical and radiological features are highly suggestive of complete reversal of diffusion restriction after successful embolization of traumatic CCF.
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KEYWORD
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Embolization, Carotid cavernous fistula, Diffusion restriction, Diffusion weighted imaging
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