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Steroid-responsive encephalopathy associated with autoimmune thyroiditis and primary CNS demyelination
Don J Mahad1, Susan Staugaitis, Paul Ruggieri
1Department of Neurosciences, Mail Code NC30, The Lerner Research Institute, The Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
Journal of the Neurological Sciences
|December 21, 2004
Summary
Steroid responsive encephalopathy associated with autoimmune thyroiditis (SREAT) is linked to autoimmune thyroid disease. This case study identifies primary central nervous system demyelination as a complication of SREAT.
Area of Science:
- Neurology
- Immunology
- Endocrinology
Background:
- Steroid responsive encephalopathy associated with autoimmune thyroiditis (SREAT) is a known complication of autoimmune thyroid disease.
- Histopathological characterization of SREAT is limited, with only six previous cases reported.
- Previous reports noted vasculitis, perivascular lymphocytic cuffs, and microglial activation in SREAT cases.
Observation:
- This report details a case of SREAT with confirmed primary central nervous system (CNS) demyelination through biopsy on two separate occasions.
- Radiological evidence supported steroid responsiveness in this patient.
- The findings suggest a link between autoimmune thyroid disease and CNS demyelination.
Findings:
- Primary CNS demyelination can be a complication of autoimmune thyroid disease.
- Biopsy confirmation of demyelination in a SREAT case provides new histopathological insight.
- The case demonstrates radiological evidence of steroid responsiveness in SREAT-induced demyelination.
Implications:
- This study expands the understanding of SREAT complications beyond previously reported features.
- It highlights the importance of considering autoimmune thyroid disease in patients presenting with unexplained CNS demyelination.
- Further research into the mechanisms linking autoimmune thyroiditis and CNS demyelination is warranted.