We report a rare case of a young woman with anti-N-Methyl-D-Aspartate receptor (NMDAR) encephalitis, who developed psychiatric symptoms, dyskinesias, hypoventilation, hypersalivation and seizures. Serial analysis of antibodies to NR1/NR2B heteromers of the NMDAR was positive on the patient's serum and cerebrospinal fluid (CSF). Removal of an ovarian teratoma after intravenous immunoglobulin and corticosteroid therapy resulted in a prompt neurological response.
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