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Link: Catatonia: A Duel of Hashimoto’s Encephalopathy and Anti NMDA Receptor Encephalitis (P5.166)


To present a unique case of diagnostic conundrum in a catatonic patient positive for both anti NMDA receptor and anti TPO antibodies with a normal 24 hour EEG, brain MRI and CSF.BACKGROUND:Catatonia, although typically associated with schizophrenia and other affective disorders, can be an uncommon presenting feature of two rare neurologic disorders: Hashimoto’s encephalopathy and anti NMDA receptor encephalitis. Here we describe a case of anti NMDA receptor encephalitis in a catatonic patient positive for both anti TPO and anti NMDA receptor antibodies with a negative 24 hour EEG, normal brain MRI and CSF

The abstract can be found at The full study may be obtained from the American Academy of Neurlogy; however, we could not find the article elsewhere online at this time.


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