DPYSL5 and viral encephalitis: Ren et al. [4] also reported a single case of AMPAR encephalitis combined with the Hu antibody, who presented with psychiatric disturbance and bulbar palsy, while Li H et al. [5] reported a patient with co-existence of GABAB and CRMP5/CV2 antibodies, who presented with Lambert–Eaton myasthenic syndrome.