<unk>  is a group of disorders that destroy blood vessels by inflammation. Both arteries and veins are affected. Lymphangitis (inflammation of lymphatic vessels) is sometimes considered a type of<unk> .<unk>  is primarily caused by leukocyte migration and resultant damage. Although both occur in<unk> , inflammation of veins (phlebitis) or arteries (arteritis) on their own are separate entities.
Vasculitis
Eosinophilic cellulitis
Venous thrombosis
Neuritis
Atherosclerosis
Coronary thrombosis
Lymphangitis
Microvasculitis