Well Karen,
If you cannot find the study that referred to B12 and Oligoclonal Bands, try this
Now that took me about 2 minutes to find.
There is one point that seems to have been missed in this discussion - the presence of Oligoclonal Bands in CSF is a very strong indicator of MS. Their absence does not prove that MS is not present.
Thus, the lack of OBs in the CSF does not - of itself - prove anything.
If you actually read Stuart’s post about the large sample in Nottingham the only thing that you can take from what is actually a correlation, is that there is a link between MS on the one hand, and B12 deficiency and pernicious anemia on the other (strictly speaking that is a multiple correlation) and you should know that correlations do not have any directionality - so you do not actually know what causes what. If, that is, either causes the other.
With respect to mis-diagnosis, OK, you have made your point, but don’t you think that maybe you should find another forum to promote your opinions?
Geoff