MRI study finds evidence of ongoing neurodegeneration in neuromyelitis optica spectrum disorder

MedicalXpress | juin 18, 2026

Neuromyelitis optica spectrum disorder (NMOSD) is a rare autoimmune disease in which the immune system attacks the central nervous system, especially the optic nerves and spinal cord. These attacks, also known as flare-ups or relapses, can lead to blindness, paralysis, chronic pain and lasting neurological disability.