Anti CASPR2 VGKC autoimmune encephalitis: management
Evidence-based neurology checklist on anti caspr2 vgkc autoimmune encephalitis: management: Anti VGKC antibody testing Positive VGKC antibody test is not pathogenic unless either CASPR2 or LGI1 is positive Anti-CASPR2 may co-exist with anti-LGI1: this is double seropositivity Serum neurofilament…
Anti VGKC antibody testing
- Positive VGKC antibody test is not pathogenic unless either CASPR2 or LGI1 is positive
- Anti-CASPR2 may co-exist with anti-LGI1: this is double seropositivity
Serum neurofilament light (NfL) testing
Initial treatment
Secondary treatment for refractory cases
References
- Lee R, Buckley C, Irani SR, Vincent A. Autoantibody testing in encephalopathies. Pract Neurol 2012; 12:4-13.
- van Sonderen A, Ariño H, Petit-Pedrol M, et al. The clinical spectrum of Caspr2 antibody-associated disease. Neurology 2016; 87:521-528.
- Binks SNM, Klein CJ, Waters P, Pittock SJ, Irani SR. LGI1, CASPR2 and related antibodies: a molecular evolution of the phenotypes. JNNP 2017; pii: jnnp-2017-315720 (Epub ahead of print).
- Lang B, Makuch M, Moloney T, et al. Intracellular and non-neuronal targets of voltage-gated potassium channel complex antibodies. JNNP 2017; 88:353-361.
- van Sonderen A, Schreurs MW, de Bruijn MA, et al. The relevance of VGKC positivity in the absence of LGI1 and Caspr2 antibodies. Neurology 2016; 86:1692-1699.
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