Isolated orofacial dystonia and facial pain as the inaugural manifestation of anti-NMDAR encephalitis: a case report and literature review

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17 Oct 2026 0 comments

Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis typically presents with psychiatric symptoms, seizures, and cognitive dysfunction. Movement disorders, when present, usually coexist with these features. We report a rare case of anti-NMDAR encephalitis in a 30-year-old female who presented with isolated left temporomandibular joint (TMJ) dystonia, jaw tremor, and facial pain as the sole manifestations for seven months, without clinically significant psychiatric, cognitive, or seizure...