Toscano et al. [52] RT-PCR + Chest CT + serology Lymphocytopenia, increased CRP, LDH, ketonuria Negative anti-ganglioside antibodies Day 2: normal total protein, no cells, negative SARS-CoV-2 PCR
Day 10: increased total protein (101) mg/dl, cell count: 4/mm3, negative SARS-CoV-2 PCR Axonal with sural sparing
AMSAN Brain: no pathological findings
Spinal: Enhancement of caudal nerve roots IVIG 400 mg/kg (2 cycles) + temporary mechanical non-invasive ventilation Paracetamol At week 4 persistence of severe UL weakness, dysphagia, and LL paraplegia