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PT  - JOURNAL ARTICLE
AU  - Grommes, C.
AU  - Griffin, C.
AU  - Downes, K.A.
AU  - Lerner, A.J.
TI  - Steroid-Responsive Encephalopathy Associated with Autoimmune Thyroiditis Presenting with Diffusion MR Imaging Changes
AID  - 10.3174/ajnr.A1113
DP  - 2008 Sep 01
TA  - American Journal of Neuroradiology
PG  - 1550--1551
VI  - 29
IP  - 8
4099  - http://www.ajnr.org/content/29/8/1550.short
4100  - http://www.ajnr.org/content/29/8/1550.full
SO  - Am. J. Neuroradiol.2008 Sep 01; 29
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.