<prompt> Answer this question truthfullyWhat is the method for distinguishing between Anti-NMDA receptor encephalitis and other illnesses?  <response>: <reason> Antigen NMDA receptor NR1 Lgil CASPR2 AMPA receptor GABA B receptor Glycine receptor MgluR5 Agemediangender female: male 0685 21 4:1 3080 60 1:2 4677 60 1:4 3887 60 9:1 2475 62 1:1 569 43 6:5 46, 15 1:1 Clinical syndrome 1.Prodromal Syndrome 2. Psychiatric Syndrome, seizures, amnesia 3.Movement disorders catatonia, autonomic instability, Limbic encephalitis, tonic or facio-brachial dystonic seizures, myoclonus Morvan Syndrome, encephalitis, neuromyotonia Limbic encephalitis, psychiatric syndrome Limbic encephalitis Encephalomyelitis with rigidity and myoclonus, hyperekplexia, stiff-person syndrome, retinopathy Limbic encephalitis, myoclonus MRI T2FLAIR hyperintensities, medial temporal 25 80 40 90 70 10 50 CSF pleocytosis or Oligoclonal Bands 95 40 25 90 90 some oligoclonal bands 22 only cases reported and present in themocb: oligoclonal bands; EEG: electroencephalograph; NMDA: N-methyl-D-aspartate; AMPA: α-amino-3-hydroxy-5-methyl-4-isoxazol-propionic acid; GABA: γ-amino-butyric acid receptor; CASPR2: contactin-associated protein-like 2; Lgi1: leucine-rich, glioma-inactivated 1; mGluR5: metabotrophic glutamate receptor 5.Other etiologies causing Anti NMDA encephalitis like featuresDifferential diagnosis Bacterial and viral infections of the brain Herpes simplex virus type 1, Human herpes virus type 6, Enterovirus, Mycoplasma Autoimmune-associated encephalitis PANDAS, Sydenham chorea, Hashimoto encephalopathy, Rasmussen encephalitis, Encephalitis lethargica Autoimmune synaptic receptor encephalitides Neuronal antibodies to GABA, AMPA, and LGI1receptors CNS vasculitis Primary CNS angiitis, Secondary due to chronic infection, inflammatory processes Demyelinating disorders Acute disseminated encephalomyelitis, Neuromyelitis optica Medication Overdose Ketamine, Phencyclidine 