Several descriptions19 exist in the literature of milder or
incomplete forms of anti-NMDAR encephalitis, a forme
fruste of the disorder, such as isolated psychiatric symptoms,
seizures, or dystonia. These pure monosymptomatic syndromes
occur in less than 5% of anti-NMDAR encephalitis
cases,19 though patients may also present with a predominant
symptom, such as headache in our case, with milder
manifestations of other elements of the syndrome such as