--in people with Sjogren's syndrome, of central nervous system involvement, and apparent "plaquing" on MRI images:

http://neuromuscular.wustl.edu/antib...n.html#sjogren

http://www.sjogrensworld.org/mandel.htm

http://www.medscape.com/medline/abstract/15609267

http://www.ncbi.nlm.nih.gov/pmc/arti...v063p00616.pdf