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[Hashimoto's encephalitis and sleep disorders].
D Uzenot1, L Suchet, L Feuillet
1Service de Neurologie, CHU Timone, Marseille.
Revue Neurologique
|September 19, 2003
Summary
Hashimoto's encephalitis, a rare neurological disorder, can cause dementia and consciousness issues. Prompt corticosteroid treatment can reverse symptoms and improve EEG sleep patterns.
Area of Science:
- Neurology
- Immunology
- Endocrinology
Background:
- Hashimoto's encephalitis is a rare autoimmune condition affecting the brain.
- It is characterized by inflammation and can present with neurological deficits.
Observation:
- A 42-year-old woman experienced progressive dementia and recurrent episodes of altered consciousness.
- During these episodes, electroencephalogram (EEG) monitoring showed no sleep activity.
- Symptoms rapidly improved following corticosteroid administration.
Findings:
- The patient's neurological symptoms and EEG abnormalities were reversible with corticosteroid treatment.
- A normal sleep EEG pattern reappeared after treatment.
- Hashimoto's encephalitis can clinically resemble Creutzfeldt-Jakob disease.
Implications:
- This case highlights the importance of considering Hashimoto's encephalitis in unexplained encephalitis cases.
- Systematic sleep-EEG recordings may aid in diagnosing sleep disorders associated with this condition.
- Testing for antithyroid antibodies is crucial for diagnosing Hashimoto's encephalitis.