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Multiple sclerosis (MS) is a chronic, immune-mediated, neurodegenerative condition of the central nervous system, with distinct challenges due to its heterogeneous presentation, prognostic uncertainty, and variable clinical course of neurological and non-neurological symptoms and disability. Although there have been significant advances in management of MS, many patients experience disability progression. Despite MS being a frequent cause of neurological disability, particularly in young persons, involvement of palliative care physicians in the care of patients with MS has been limited. This article provides ten tips for palliative clinicians for caring for patients with MS and their care partners. [ABSTRACT FROM AUTHOR]

Neuromyelitis optica spectrum disorder (NMOSD) is an autoimmune disease primarily affecting the optic nerves and spinal cord, which is usually associated with anti-aquaporin-4 antibodies. Here, we present two individuals who were negative for anti-aquaporin-4 antibodies and were initially diagnosed with seronegative NMOSD. Each patient's clinical course and radiographic features raised suspicion for an alternative disease process. Both individuals were found to have pathogenic variants of MT-ND5, encoding subunit 5 of mitochondrial complex I, ultimately leading to a revised diagnosis of a primary mitochondrial disorder. These cases illustrate the importance of biochemical and genetic testing in atypical cases of NMOSD. [ABSTRACT FROM AUTHOR]