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Signs and symptoms. Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused ...
The diagnosis is based on involvement of less than 10% of the skin. [2] It is known as TEN when more than 30% of the skin is involved and an intermediate form with 10 to 30% involvement. [3] A positive Nikolsky's sign is helpful in the diagnosis of SJS and TEN. [9] A skin biopsy is helpful, but not required, to establish a diagnosis of SJS and ...
Diagnosis is based on a skin biopsy and involvement of more than 30% of the skin. [3] TEN is a type of severe cutaneous adverse reactions (SCARs), together with SJS, a SJS/TEN, and drug reaction with eosinophilia and systemic symptoms. [5] It is called SJS when less than 10% of the skin is involved and an intermediate form with 10 to 30% ...
Atopic dermatitis (AD), also known as atopic eczema, is a long-term type of inflammation of the skin. [2] AD is also often called simply eczema but the same term is also used to refer to dermatitis, the larger group of skin conditions. [2][5] AD results in itchy, red, swollen, and cracked skin. [2] Clear fluid may come from the affected areas ...
Frequency. ~ 1 per 100,000 people per year [ 3 ] Dermatomyositis (DM) is a long-term inflammatory disorder which affects the skin and the muscles. [ 1 ] Its symptoms are generally a skin rash and worsening muscle weakness over time. [ 1 ] These may occur suddenly or develop over months. [ 1 ] Other symptoms may include weight loss, fever, lung ...
The pattern of the eruption changes, with slow extension and often some clearing of the original lesions. Schamberg's disease, or progressive pigmented purpuric dermatosis, is a chronic discoloration of the skin which usually affects the legs and often spreads slowly. This disease is more common in males and may occur at any age from childhood ...
In around 10% of cases the baby sheds this layer of skin and has normal skin for the rest of its life. [2] [5] This is known as self-healing collodion baby. The remaining 15% of cases are caused by a variety of diseases involving keratinization disorders. [5] Known causes of collodion baby include ichthyosis vulgaris and trichothiodystrophy. [3]
Usually, pseudoxanthoma elasticum affects the skin first, often in childhood or early adolescence. [7] Small, yellowish papular lesions form and cutaneous laxity mainly affect the neck, axillae (armpits), groin, and flexural creases (the inside parts of the elbows and knees). [3][8] Skin may become lax and redundant.