Scheidl et al. [47] RT-PCR No pathological findings Negative Campylobacter Jejuni and Borrelia serology, negative ANA, anti-DNA, c-ANCA,p-ANCA Increased total protein (140 g/L), albuminocytological dissociation Demyelinating AIDP Brain: NA Cervical spine: no pathological findings IVIG 400 mg/kg (5 days) None Complete recovery