Search results
Results from the WOW.Com Content Network
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]
Specifically, evaluating the skin's color and the spread of purpura is crucial. Skin biopsies of retiform purpura can be instrumental in diagnosing suspected retiform purpura, specifically a punch or an excisional wedge biopsy. If infection is suspected, a tissue culture with initial lab workup. [citation needed]
They are skin-colored bumps the size of a grain of sand, many of which are surrounded by a slight pink color in light-skinned people and dark spots in dark-skinned people. [4] Most people with KP do not have symptoms, but the bumps in the skin can occasionally be itchy. [7] Irritation due to scratching KP bumps can result in redness and ...
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]
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 ().
Initially red to pink, flat spots (formally, "macules") and raised bumps (formally, "papules") may be seen on the skin. [5] [6] Once fully developed, the classic appearance is "non-blanching, palpable purpura". [6] [5] [7] This appears as deep red to purple spots that feel raised to the touch. Purpura refers to the red-purple discolored spots ...
Bump with a white dome under the skin Scalp, nape of the neck or upper back Skin tag: Soft, fleshy growth, lump or bump Face, neck, armpits or groin Xanthelasma: Yellow area under the skin Under eyelids Melanoma: Dark bump that may have started within a mole or blemish, or, a spot or mole that has changed in color, size, shape or is painful or ...
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]