Persistent Bilateral [18F]THK5351 and Migrating Unilateral [18F]FDG Uptake in Anti-LGI1 Encephalitis

Yusuke Akitomi1, Kenichiro Taira1, Masanori Kurihara1,2

  • 1Department of Neurology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan.

Summary

Anti-leucine-rich glioma-inactivated 1 encephalitis (LGI1-E) causes cognitive deficits. Neuroimaging reveals distinct metabolic patterns in the medial temporal lobe (MTL), with persistent [18F]THK5351 uptake correlating with residual deficits.