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EDP does not usually have symptoms beside the macules and patches of discolored skin; however, some itching in these areas may occur. Because EDP is an uncommon disease of the skin, it is important to consider other skin diseases that may resemble erythema dyschromicum perstans, such as infectious diseases (i.e. leprosy or pinta ), reaction to ...
Erythema multiforme Lupus erythematosis Typical findings in systemic lupus erythematosus: [8] Fibrinoid necrosis at the dermoepidermal junction; Liquefactive degeneration and atrophy of the epidermis; Mucin deposition in the reticular dermis; Edema, small hemorrhages; Mild and mainly lymphocytic infiltrate in the upper dermis
An interface dermatitis with vacuolar alteration, not otherwise specified, may be caused by viral exanthems, phototoxic dermatitis, acute radiation dermatitis, erythema dyschromicum perstans, lupus erythematosus and dermatomyositis. [2]
A skin biopsy can be performed to test for EAC; tests should be performed to rule out other possible diseases such as: pityriasis rosea, tinea corporis, psoriasis, nummular eczema, atopic dermatitis, drug reaction, erythema migrans and other rashes.
Pigmented purpuric dermatosis refers to one of the three major classes of skin conditions characterized by purpuric skin eruptions. Pigmented purpuric dermatosis are distinguished from other purpura by size (0.3–1 cm) and are most often seen in the lower extremities.
Iron metallic discoloration occurred more frequently in the past when soluble iron compounds were used in the treatment of allergic contact and other dermatitis, and in eroded areas iron was sometimes deposited in the skin, like a tattoo.
Small plaque parapsoriasis characteristically occurs with skin lesions that are round, oval, discrete patches or thin plaques, mainly on the trunk. [2]: 452 [3]: 207 [4] Subtypes: Xanthoerythrodermia perstans is a distinct variant with lesions that are yellow in color. [1] [2]: 452
Pityriasis rosea is a type of skin rash. [2] Classically, it begins with a single red and slightly scaly area known as a "herald patch". [2] This is then followed, days to weeks later, by an eruption of many smaller scaly spots; pinkish with a red edge in people with light skin and greyish in darker skin. [4]