The central and peripheral nervous system -- Inflammation in the nervous system -- Signs and symptoms of relevant rheumatological disorders -- Imaging -- Laboratory testing -- Electrophysiological studies -- Biopsy -- Systemic Lupus Erythematosus -- Antiphospholipid and thrombotic microangiopathies -- Sjögren Syndrome -- Rheumatoid Arthritis -- Sarcoidosis -- Seronegative spondyloarthropathy -- IgG4-Related Disease -- Scleroderma -- Giant Cell Arteritis -- CNS vasculitis -- Neuro-Behҫet Disease -- Autoinflammatory Diseases -- Ocular + Auditory Inflammatory Syndromes -- Paraneoplastic Syndromes -- Neuronal Surface Antibody-Mediated Autoimmune Encephalitis -- Hashimoto's encephalopathy/SREAT -- Celiac Disease -- Neuromyelitis Optica -- Multiple sclerosis and relation to systemic autoimmune disorders -- Stiff-person Syndrome -- Inflammatory myopathies -- Neuromuscular Junction Disorders -- Peripheral neuropathy in rheumatologic disorders, plexopathy -- Chronic Fatigue Syndrome/Systemic Exertion Intolerance Disease -- Lyme Disease -- Complications related to pharmacotherapy -- Amyloidosis -- Clinical syndrome tables -- Differential diagnoses -- Corticosteroids -- Oral steroid-sparing agents -- Cyclophosphamide -- Biologics -- IVIG -- Plasmapheresis.