Acute disseminated encephalomyelitis-MRI
MRI in ADEM demonstrates regions of high T2 signal, with surrounding oedema. Punctuate, ring or arc enhancement is often demonstrated along the leading edge of inflammation. The center of the lesion, although high on T2 and low on T1 does not have increased restriction on DWI (D/D abscess), nor however does it demonstrate absent signal on DWI as one would expect from a cyst. This is due to increase in extra cellular water in the region of demyelination. However, absence of enhancement does not exclude the diagnosis.
Second opinion by -Teleradiology Providers
Acute disseminated encephalomyelitis-MRI
Reviewed by Sumer Sethi
on
Tuesday, January 12, 2010
Rating:
Reviewed by Sumer Sethi
on
Tuesday, January 12, 2010
Rating:
Sumer Sethi
Unique blend of academic excellence and entrepreneurship, heading leading firms in India- Teleradiology Providers, pioneering company providing teleradiology services and DAMS (Delhi Academy of Medical Sciences) Premier test preparation institute in India for MD/MS/MCI preparation. He has also been an invited faculty member at various conferences, including Teleradiology in IRIA 2008 and 2011, Hospital Build Middle East, Congress of the Brain Tumor Radiology in Neuro-oncology Society. Dr. Sethi is Editor-in-Chief of Internet Journal of Radiology. He has a keen interest in Web 2.0 technologies and in maintaining his famous radiology blog, which has been featured in multiple international journals.
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