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Microangiopathy (also known as microvascular disease, small vessel disease (SVD) or microvascular dysfunction) is a disease of the microvessels, small blood vessels in the microcirculation. [1] It can be contrasted to macroangiopathies such as atherosclerosis , where large and medium-sized arteries (e.g., aorta , carotid and coronary arteries ...
Golfer's vasculitis, also called exercise-induced vasculitis, sport-induced vasculitis, Disney rash, or hiker's rash, is a form of small blood vessel inflammation resulting in a rash. [1] It occurs in the lower legs, and is caused by excessive walking in hot temperatures. It is more common in elderly people.
Conditions with leucocytoclasis mainly include hypersensitivity vasculitis (also called leukocytoclastic vasculitis) and cutaneous small-vessel vasculitis (also called cutaneous leukocytoclastic angiitis). An alternative to biopsy can be an angiogram (x-ray test of the blood vessels). It can demonstrate characteristic patterns of inflammation ...
Disseminated intravascular coagulation (DIC) is a condition in which blood clots form throughout the body, blocking small blood vessels. [1] Symptoms may include chest pain, shortness of breath, leg pain, problems speaking, or problems moving parts of the body. [1] As clotting factors and platelets are used up, bleeding may occur. [1]
Vasculitides are categorized by the size of the blood vessels they affect, so we have small-vessel, medium-vessel, and large-vessel vasculitis. Typically vasculitis is due to an autoimmune diseases, where the immune system confuses a part of normal body as a foreign invader, and there are a couple of ways this might happen.
Microvasculitis refers to a range of diseases or presentations associated with a disease, where there is inflammation of small blood vessels: Kawasaki disease Susac syndrome
Dilated blood vessels can also develop on the legs, although when they occur on the legs, they often have underlying venous reflux or "hidden varicose veins" (see Venous hypertension section below). When found on the legs, they are found specifically on the upper thigh, below the knee joint and around the ankles.
Peripheral veinous disease, on the other hand, refers to problems with veins—the vessels that bring the blood back to the heart. [18] The classic symptom is leg pain when walking, which resolves with rest and is known as intermittent claudication. [2]