Sclerosing cholangitis see Primary Sclerosing Cholangitis
Sjogren's syndrome affects the tear, salivary, and other moisture-producing glands, thus destroying the glands and their ability to produce moisture. Other organs can be affected such as the lungs, brain, nerves, joints, kidneys, thyroid, and liver. Sjogren's Syndrome Foundation Sjogren's Syndrome infoArthritis Victoria
Systemic necrotizing vasculitis (SNV) is an inflammation of blood vessel walls. It typically affects small and medium blood vessels.This inflammation can interrupt your normal blood flow. It results in skin and muscle damage, including necrosis. Healthline
Stiff man syndrome or Moersch-Woltmann syndrome involves the central nervous system and causes progressive rigidity or stiffness of the body - affects the voluntary muscles of the neck, shoulders, trunk, arms & legs sometimes with muscle spasms. Yale University Dept of Neurology
Systemic lupus erythematosus long-lasting attack on normal tissue causing varied symptoms of fatigue, fever and pain but almost always with skin rashes, kidney problems and sensitivity to sunlight which worsens the symptoms. MedicineNet
Systemic sclerosis (scleroderma) affectsconnective tissues (skin, ligaments, cartilage and bone), with an overproduction of the protein collagen making the skin thick and hard. MedlinePlus Medical Encyclopedia.
T
Temporal arteritis or giant cell arteritis (GCV) is characterized by vasculitis that causes headaches, vision problems, joint pain, facial pain and fever. It can be localized in the temples or affect the whole body. John Hopkins Vasculitis Center
Takayasu's arteritis is similar to temporal arteritis but affects young adults, usually 15 to 20 years of age John Hopkins Vasculitis Center
Thromboangiitis obliterans or Buerger's disease is an inflammation and clotting of the veins and arteries in the hands and feet causing pain and associated with tobacco use. MedlinePlusMerckNYT Health
Thyroiditis with hyperthyroidism (overactive thyroid gland) isGraves’ disease which increases production of thyroid hormone. Symptoms include nervousness, heat intolerance, diarrhea, sweating, insomnia, and weight loss with increased appetite. MedlinePlus
Type I autoimmune polyglandular syndrome (PAS) In PAS the immune system attacks the endocrine system - 'Endocrine glands include the pituitary, thyroid, parathyroid and adrenal glands, the insulin-secreting cells of the pancreas, and the ovaries and testes'. Medscape
Type II autoimmune polyglandular syndrome Medscape Reference
UV
Vasculitis involves blood vessels in the skin and in the body. Symptoms depend on the type of vasculitis present. It can cause tender lumps on the skin, open sores and high blood pressure. Vasculitis Foundation
W
Wegener's granulomatosis - inflamed blood vessels(vasculitis). Can involve any organ system, but mainly the respiratory tract (sinuses, nose and lungs) and kidneys. First symptoms include upper respiratory tract symptoms such as sinus with joint pains, weakness, and tiredness. NIAIDJohns Hopkins Vasculitis Center