Serum amyloid A level is increased in neuromyelitis optica and atypical multiple sclerosis with smaller T2 lesion volume in brain MRI. Yokote H, Yagi Y, Watanabe Y, Amino T, Kamata T, Mizusawa H J Neuroimmunol. 2013 Apr 5. PMID: 23566403. Abstract CommentRecommendBookmarkWatch