Case report
Open access
Sep 2026
Case Report: Neurosyphilis with a paraparetic Guillain-Barré-spectrum phenotype and CSF-detected anti-GT1a IgG: an infection-autoimmunity diagnostic challenge
Background Active central nervous system (CNS) infection can resemble acute immune polyradiculoneuropathy, and the two processes may coexist. We describe a patient with neurosyphilis, rapidly progressive paraparetic weakness, and anti-GT1a IgG detected in cerebrospinal fluid (CSF) but not serum by a qualitative line im...
Xing Zhao, Yi-Zhi Zhang, Wen-Jing Xie et al.
· Frontiers in Immunology · 0 citations