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Schamberg's disease is caused by leaky blood vessels near the surface of the skin, capillaries, which allow red blood cells to slip through into the skin. [3] The red blood cells in the skin then fall apart and release their iron, which is released from hemoglobin. [3] The iron causes a rust color and this accounts for the orange tint of the ...
A petechia (/ p ɪ ˈ t iː k i ə /; [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. [1]
Retiform purpura is a cutaneous morphology characterized by a branching , non-blanching patch, plaque, or lesion that develops when blood vessels supplying the skin become obstructed. [ 2 ] [ 3 ] This blockage leads to downstream cutaneous ischemia , or insufficient blood supply to the skin, causing purpura , necrosis , and potentially ...
The extra skin cells form itchy, scaly, red patches. In addition to red, patchy skin, you may have joint pain or pitted or thickened nails. In skin of color, the rashes appear more dark brown or ...
Melasma affects up to 33 percent of men and women. Read on to learn what causes the chronic skin condition and what you can do to keep it at bay. This Chronic Skin Condition Is A Common Cause Of ...
In fact, freezing the skin can also bring blood flow to the face and cause redness, says Dr. Evans. Instead, try applying a cool cloth or sitting in cool places. "Cold temperature constricts blood ...
Purpura (/ ˈ p ɜːr p jʊər ə / [1]) is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes. [2]
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().