question: What is Guillain-Barre syndrome (GBS)?
answer: Guillain-Barré syndrome (GBS) is an acute immune mediated neuropathy, polyradiculoneuritis, characterized by rapid onset of symmetric extremity muscle paralysis, areflexia and albuminocytological dissociation in the cerebrospinal fluid (CSF). Recently, the heterogeneity of GBS has been noticed with definition of several GBS variants. The diagnosis of GBS includes clinical, electrophysiological and laboratory (CSF) criteria.