An lp with oligoclonol banding in the CSF serum but NOT the blood serum is indicative for ms.
O-bands in BOTH serums leads away from an ms diagnosis.
Here's an image of the o-bands and an explanation of potential causes based on the results:
http://1.bp.blogspot.com/-Gemo48uirIQ/Tx0eXQ-_IMI/AAAAAAAAAGg/t7iETkNyK5Q/s1600/OCBs.png
Hope this helps!!