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Specialty. Cardiology. Cherry angioma, also called cherry hemangioma [ 1] or Campbell de Morgan Spot, [ 2] is a small bright red dome-shaped bump on the skin. [ 3] It ranges between 0.5 – 6 mm in diameter and usually several are present, typically on the chest and arms, and increasing in number with age. [ 3][ 4] If scratched, they may bleed.
Rash. A rash is a change of the skin that affects its color, appearance, or texture. A rash may be localized in one part of the body, or affect all the skin. Rashes may cause the skin to change color, itch, become warm, bumpy, chapped, dry, cracked or blistered, swell, and may be painful. The causes, and therefore treatments for rashes, vary ...
Basal-cell skin cancer (BCC) usually presents as a raised, smooth, pearly bump on the sun-exposed skin of the head, neck, torso or shoulders. Sometimes small blood vessels (called telangiectasia) can be seen within the tumor. Crusting and bleeding in the center of the tumor frequently develops.
There are many causes of red, itchy, swollen patches of skin, including allergies, burns, and infections. Here are photos to help you identify what you have.
Rosacea. Rosacea is a long-term skin condition that typically affects the face. [ 2][ 3] It results in redness, pimples, swelling, and small and superficial dilated blood vessels. [ 2] Often, the nose, cheeks, forehead, and chin are most involved. [ 3]
Blood blister. A blood blister is a type of blister that forms when subdermal tissues and blood vessels are damaged without piercing the skin. It consists of a pool of lymph, blood and other body fluids trapped beneath the skin. If punctured, it suppurates a dark fluid. Sometimes the fluids are cut off from the rest of the body and dry up ...
Cold urticaria (essentially meaning cold hives) is a disorder in which large red welts called hives ( urticaria) form on the skin after exposure to a cold stimulus. [ 1] The hives are usually itchy and often the hands and feet will become itchy and swollen as well. Hives vary in size from about 7 mm in diameter to as big as about 27 mm or larger.
pɪˈtiːkɪə. Specialty. Rheumatology. A petechia ( / pɪˈtiːkiə /; [ 1] pl.: petechiae) is a small red or purple spot (≤4 mm in diameter) that can appear on the skin, conjunctiva, retina, and mucous membranes which is caused by haemorrhage of capillaries. [ 2][ 3] The word is derived from Italian petecchia ' freckle ', of obscure origin ...
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