LGI1 and hippocampal atrophy: Encephalitis in patients positive for VGKC-complex, LGI1, or CASPR2 antibodies can present with inflammatory changes of the medial temporal lobe on acute MRI (Kotsenas et al., 2014), and whole-hippocampal atrophy in the convalescent and chronic phases (Irani et al., 2013; Malter et al., 2014).