Appearance of anti-NMDAR antibodies after plasma exchange and total removal of malignant ovarian teratoma in a patient with paraneoplastic limbic encephalopathy.

BMJ Case Rep. 2011 Mar 24;2011. pii: bcr0220113851. doi: 10.1136/bcr.02.2011.3851.

Source

Department of Neurology, King’s College Hospital, London, UK. sarah.wali@kcl.ac.uk

Abstract

A 29-year-old female was admitted under section 2 of the mental health act with an acute psychosis. Her condition deteriorated as she developed a fever and worsening hallucinations. Brain imaging was normal but a lumbar puncture revealed a reactive cerebrospinal fluid. A transvaginal ultrasound revealed a left ovarian mass suggestive of a teratoma. A diagnosis of anti-N-methyl-D-aspartic acid receptor (NMDAR) limbic encephalitis was made but the anti-NMDAR antibody was found to be negative. The patient proceeded to a laparoscopic oopherectomy and a 5-day course of plasma exchange. The patient has made a gradual improvement and the anti-NMDAR antibody has since become positive.

PMID:
22699468
[PubMed – in process]
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