A Case of New Onset Psychosis in a Young Woman with Minimal Response to Risperidone, Ultimately Diagnosed with N-Methyl-D-Aspartate Receptor Encephalitis.

Department of Psychiatry and Behavioral Sciences, Eastern Virginia Medical School, Norfolk, VA.

Clinical Schizophrenia & Related Psychoses06/2013; DOI: 10.3371/CSRP.SPZA.061213

Source: PubMed

ABSTRACT Anti-N-Methyl-D-Aspartate receptor (NMDAR) encephalitis is a severe, treatable and potentially reversible disorder presenting with memory deficits, psychiatric symptoms and seizures. Initially described in young patients with ovarian teratoma, the disease is meanwhile increasingly recognized also in women without tumors, in men and in children. The presence of anti-glutamate receptor (type NMDA) autoantibodies in serum or cerebrospinal fluid is specific for this novel and widely underdiagnosed disorder. We present a young women presenting with psychotic symptoms, initially treated psychiatrically, but was ultimately discovered to anti-NMDAR encephalitis. We review this disease state with respect to epidemiology, phenomenology, pathogenesis, and treatment.


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