Acute Carbon Monoxide Poisoning: Diffusion MR Imaging Findings

During the acute stage of carbon monoxide poisoning, diffusion MR images obtained at b=1000 s/mm2 revealed high signal intensity lesions in the white matter, consistent with restricted diffusion. Low apparent diffusion coefficient values (0.18-0.34 x 10(-3) mm2/s) were noted in the affected white ma...

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Bibliographic Details
Published in:American journal of neuroradiology : AJNR 2003-08, Vol.24 (7), p.1475-1477
Main Author: Sener, R. Nuri
Format: Article
Language:English
Subjects:
Acute Disease
Brain - diagnostic imaging
Carbon Monoxide Poisoning - diagnosis
Child
Diffusion Magnetic Resonance Imaging
Female
Humans
Pediatric
Radiography
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Summary:During the acute stage of carbon monoxide poisoning, diffusion MR images obtained at b=1000 s/mm2 revealed high signal intensity lesions in the white matter, consistent with restricted diffusion. Low apparent diffusion coefficient values (0.18-0.34 x 10(-3) mm2/s) were noted in the affected white matter regions. Follow-up MR imaging performed 16 days later revealed disappearance of white matter lesions, suggesting that during the acute stage of carbon monoxide poisoning, white matter can be more sensitive than gray matter to ischemia.
ISSN:0195-6108
1936-959X