Laboratory tests including WBC, CRP, ESR, urea, creatinine, Vit B12 and
liver enzymes were within normal ranges. The infectious and virology
profiles including HIV, hepatitis C, hepatitis B, syphilis, TB, and
perlosy were negative. The immune profile including ANA,
anti-phospholipid antibodies, C-ANCA, P-ANCA, and IgG4 were negative.
Anti-aquaporin 4 antibody and anti-myelin oligodendrocyte glycoprotein
antibody were also negatives. Cerebral spinal fluid analysis was normal.
Brain magnetic resonance imaging, and magnetic resonance vein were
normal, and no findings suggestive of demyelinating disease or
compressive lesions were found (Image-2).