ANA & RF: MRI scans are used to diagnose a variety of conditions, from torn ligaments to tumors & are very useful for examining the brain and spinal cord. Sjogren's syndrome is an autoimmune disease that attacks the glands that make tears and saliva. The primary tests for Sjögren syndrome are ANA (Antinuclear Antibody) Test & Rheumatoid Factor (RF) Test. I wish you well with your health!
Answered 9/2/2019
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