ArticleBMJ case reports2023
Encephalitis as an initial presentation of type 2 amiodarone-induced thyrotoxicosis.
Article in BMJ case reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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5 authors at 1 institution in 1 country.
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Abstract
We report a case of a woman in her mid-20s presenting with encephalitis as the initial presentation of type 2 amiodarone-induced thyrotoxicosis (AIT). She was on amiodarone in view of a history of hypertrophic cardiomyopathy. Symptomatology included acute personality change and focal myoclonic jerks.Cerebrospinal fluid analysis showed a non-specific protein count elevation with negative microbiology, virology, autoimmune screen and onconeural antibodies. The electroencephalogram was consistent with a generalised cerebral dysrhythmia. An MRI of the head revealed symmetrical oedema within the motor cortices and a high T2 signal within the cerebellar dentate nuclei, with no restricted diffusion. Blood investigations confirmed thyrotoxicosis with negative antithyroid antibodies. She did not fulfil the criteria for a thyroid storm. Other possible causes of encephalitis were excluded.There was an excellent clinical, laboratory and radiological response to glucocorticoids, suggesting a diagnosis of steroid-responsive encephalitis secondary to type 2-AIT in the absence of a thyroid storm.
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