Anti-N-Methyl-D-Aspartate Receptor Encephalitis In A Young Child With Histological Evidence On Brain Biopsy Of Coexistent Herpes Simplex Virus Type 1 Infection.

We report a 3-year-old boy with anti-N-methyl-D-aspartate receptor encephalitis with a typical syndrome of movement disorder and encephalopathy and evidence of herpes simplex virus (HSV) type 1 infection on brain biopsy. HSV type 1 infection and anti-N-methyl-D-aspartate receptor encephalitis are temporally linked in some cases: this case suggests that prodromal HSV type-1 infection may be clinically subtle and easily missed.