Abstract
BackgroundAnti-N-Methyl-d-Aspartate encephalitis is a subcategory of auto-immune encephalitis. It is known for its aggressive presenting symptoms and rapid deterioration, yet it is treatment responsive. It is associated in 50 % to ovarian teratoma.CaseWe report the case of a 19 year old female patient presenting for a psychiatric disorder of sudden onset with rapid deterioration. Neurologic imaging was in favor of encephalitis, and CSF studies revealed Anti NMDA receptors. Further abdominal imaging showed a right ovarian teratoma of 4 cm.Laparoscopic ovarian cyst resection was done, and corticotherapy, IVIG and anticonvulsants were given. We report complete resolution of symptoms after 7 months.ConclusionAnti-NMDA receptor encephalitis with ovarian teratoma is a rare entity with rapid deterioration. Early diagnosis, surgical resection and proper medical treatment are essential for the management of this disease.
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