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Poikiloderma vasculare atrophicans (PVA), is a cutaneous condition (skin disease) characterized by hypo- or hyperpigmentation (diminished or heightened skin pigmentation, respectively), telangiectasia and skin atrophy. [3] [4] [5] Other names for the condition include prereticulotic poikiloderma and atrophic parapsoriasis. [6]
Large plaque parapsoriasis are skin lesions that may be included in the modern scheme of cutaneous conditions described as parapsoriasis. [2] These lesions, called plaques, may be irregularly round-shaped to oval and are 10 cm (4 in) or larger in diameter. [2] They can be very thin plaques that are asymptomatic or mildly pruritic.
Parapsoriasis refers to one of a group of skin disorders that are characterized primarily by their resemblance to psoriasis (red, scaly lesions), rather than by their underlying cause. Neoplasms can develop from parapsoriasis. [1] For example, it can develop into cutaneous T-cell lymphoma. The word "parapsoriasis" was formed in 1902. [2]
Psoriasis is not just a skin disease. The symptoms of psoriasis can sometimes go beyond the skin and can have a negative impact on the quality of life of the affected individuals. [72] Additionally, the co-morbidities increase the treatment and financial burden of psoriasis and should be considered when managing this condition. [72]
What it looks like: Medically known as atopic dermatitis, eczema is an umbrella term for a range of skin conditions characterized by red, splotchy, dry, cracked, crusty, or flaky skin, that can ...
Psoriatic erythroderma can be congenital or secondary to an environmental trigger. [12] [13] [14] Environmental triggers that have been documented include sunburn, skin trauma, psychological stress, systemic illness, alcoholism, drug exposure, chemical exposure (e.g., topical tar, computed tomography contrast material), and the sudden cessation of medication.
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] Within the latter type, the hairs occur in structures called pilosebaceous units , each with hair follicle , sebaceous gland , and associated arrector pili muscle. [ 4 ]
When you have psoriasis, your body makes new skin cells quickly, and the cells typically build up in thick, scaly patches on the skin called plaques. Causes of psoriasis There are a number of ...