RT Journal Article
SR Electronic
T1 Steroid-Responsive Encephalopathy Associated with Autoimmune Thyroiditis Presenting with Diffusion MR Imaging Changes
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 1550
OP 1551
DO 10.3174/ajnr.A1113
VO 29
IS 8
A1 Grommes, C.
A1 Griffin, C.
A1 Downes, K.A.
A1 Lerner, A.J.
YR 2008
UL http://www.ajnr.org/content/29/8/1550.abstract
AB SUMMARY: Steroid-responsive encephalopathy associated with autoimmune thyroiditis (SREAT) presents with focal or diffuse nonenhancing MR imaging abnormalities in 50% of patients with SREAT during subacute exacerbation. Vasculitic changes in biopsy studies as well as the elevation of antithyroid antibodies and CSF protein suggests an inflammatory cause. We report the case of a patient with SREAT with changes on diffusion-weighted MR imaging, which improved with corticosteroid therapy and plasmapheresis, supporting the theory of inflammatory changes in exacerbation of presumptive SREAT.