Sjögren’s syndrome is a chronic multi-system autoimmune disease characterized by inflammation and subsequent destruction of exocrine glands. Sjögren’s syndrome can present with glandular or extra-glandular manifestations. Neuromyelitis optica spectrum disorder (NMOSD) is a rare central nervous system (CNS) autoimmune disease that can present as the initial manifestation in less than 5% of patients with Sjögren’s….