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Three stages characterize the evolution of necrolytic acral erythema lesions: early, well-developed, and late. Scaly, erythematous papules or plaques with a distinctively dark or worn center first emerge. When the lesions reach a well-developed stage, they combine to create a thick, hyperpigmented plaque that is clearly defined and has adhering ...
Annular erythema of infancy (AEI) consists of self-limited eruptions of erythematous, annular to polycyclic patches and plaques. It is an idiopathic figurate erythema. [1] Over several days, a single lesion disappears without leaving behind any scale or hyperpigmentation. Mostly affecting the trunk, face, and extremities, this rash has no symptoms.
Alopecia mucinosa, also known as Follicular mucinosis, Mucinosis follicularis, Pinkus' follicular mucinosis, and Pinkus' follicular mucinosis–benign primary form, is a skin disorder that generally presents, but not exclusively, as erythematous plaques or flat patches without hair primarily on the scalp, neck and face.
Papules and plaques of tumid lupus erythematosus can create an annular pattern in certain patients, resembling annular subacute cutaneous lupus erythematosus (SCLE), with less edema at the center. A Blaschkoid distribution, [ 9 ] [ 10 ] scalp involvement resembling alopecia areata , [ 11 ] and periorbital edema are less frequent signs of tumid ...
Gottron's sign is a pathognomonic cutaneous manifestation associated with dermatomyositis (DM), which is an inflammatory disorder affecting the skin and muscles. [1] The primary lesion of dermatomyositis appears as a violaceous, macular erythema with a symmetric distribution, which may progress and become poikilodermatous (atrophic with telangiectasia and pigmentary changes) and indurated (as ...
It can be caused by infection, massage, electrical treatment, acne medication, allergies, exercise, solar radiation (), photosensitization, [3] acute radiation syndrome, mercury toxicity, blister agents, [4] niacin administration, [5] or waxing and tweezing of the hairs—any of which can cause the affected capillaries to dilate, resulting in redness.
Necrolytic migratory erythema (NME) is a red, blistering rash that spreads across the skin. It particularly affects the skin around the mouth and distal extremities; but may also be found on the lower abdomen, buttocks, perineum, and groin.
Psoriatic plaque, showing a silvery center surrounded by a reddened border. Psoriasis vulgaris (also known as chronic stationary psoriasis or plaque-like psoriasis) is the most common form and affects 85–90% of people with psoriasis. [13] Plaque psoriasis typically appears as raised areas of inflamed skin covered with silvery-white, scaly ...