Diagnostic Accuracy of Serum Free Light Chains in Patients with Suspected Central Nervous System Disorders: A Retrospective Observational Study
Background: Free light chains (FLCs), particularly kappa (?)- and lambda (?)-FLCs, are immunoglobulin components that may reflect systemic or intrathecal immunoglobulin activity. FLC-based biomarkers have been investigated extensively in inflammatory and demyelinating neurological disorders, particularly multiple scler...