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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 onward. This condition is observed worldwide and has nothing to do with race or ethnic background.
Liver spots (also known as age spot, solar lentigo, [1] " lentigo senilis ", [1]: 686 " old age spot ", [2] " senile freckle ") [2] are blemishes on the skin associated with aging [3] and exposure to ultraviolet radiation from the sun. [4] They range in color from light brown [5] to red or black and are located in areas most often exposed to ...
Skin inflammation: Inflammation from injuries or inflammatory skin conditions, such as acne and eczema, can cause post-inflammatory hyperpigmentation (PIH), where dark spots develop as the skin heals.
Café au lait spot. Café au lait spots, or café au lait macules, are flat, hyperpigmented birthmarks. [1] The name café au lait is French for "coffee with milk" and refers to their light-brown color. They are caused by a collection of pigment-producing melanocytes in the epidermis of the skin. [2] These spots are typically permanent and may ...
Urticaria pigmentosa is characterized by excessive amounts of mast cells in the skin. Red or brown spots are often seen on the skin, typically around the chest, forehead, and back. These mast cells, when irritated (e.g. by rubbing the skin, heat exposure), produce too much histamine, triggering an allergic reaction that leads to hives localized ...
Based on clinical examination, skin biopsy. Treatment. Electrodesiccation and curettage, cryotherapy. A seborrheic keratosis is a non-cancerous (benign) skin tumour that originates from cells, namely keratinocytes, in the outer layer of the skin called the epidermis. Like liver spots, seborrheic keratoses are seen more often as people age.
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