To add to my above post:
Note that none of the seronegative patients were positive for the NMO IgG (Anti Aquaporin-4 antibody) in the spinal fluid, while 68% of seropositive patients were. The paper can be accessed in it's entirety and explains why it's unnecessary to test the spinal fluid of seronegative patients and patients with an antibody serum titer that is less than 1:250.
Respectfully,
Grace (NMNO+ since 2005)
Note that none of the seronegative patients were positive for the NMO IgG (Anti Aquaporin-4 antibody) in the spinal fluid, while 68% of seropositive patients were. The paper can be accessed in it's entirety and explains why it's unnecessary to test the spinal fluid of seronegative patients and patients with an antibody serum titer that is less than 1:250.
Respectfully,
Grace (NMNO+ since 2005)
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