Rapidly Evolving Aphasia as a Diagnostic Clue in First-Episode Psychosis: A Case Report of Anti-NMDAR Encephalitis.
Anti-N-methyl-D-aspartate receptor encephalitis frequently presents with isolated psychiatric symptoms indistinguishable from primary psychosis, delaying diagnosis. The authors have described a previously healthy 35-year-old woman admitted with abrupt first-episode psychosis, who (within 48 hours and without seizures,...