Dermatology
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Endogenous Eczema
( Added: Thu Oct 10 2002 Hits: 101)
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| Atopic eczema/dermatitis is closely associated with asthma, hay fever, urticaria and dry skin. There is usually a family history. The skin readily becomes itchy in response to a number of allergic and non-allergic stimuli, and the pruritus may be dispropo |
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Exogenous Eczema
( Added: Thu Oct 10 2002 Hits: 95)
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| When the skin changes are a direct result of exposure and allergic mechanisms are not involved, the rash is termed irritant contact dermatitis. Atopic individuals are particularly susceptible. Even when a period of avoidance produces healing, chronic irri |
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Frostbite
( Added: Thu Oct 10 2002 Hits: 76)
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| Exposure to dry cold well below freezing causes frostbite, with resultant structural and functional disturbances of the small blood vessels, cells, nerves, and skin |
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Impetigo
( Added: Thu Oct 10 2002 Hits: 77)
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| Impetigo is a primary superficial bacterial skin infection, initially vesicular or bullous, later crusted. Impetigo may only involve the openings of hair follicles |
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| Malignant melanoma usually arises either from prevously normal-looking skin, or a benign melanocytic naevus. It may also arise from a naevus in a nail bed, in a mucous membrane or from the choroid or the iris |
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Melanoma
( Added: Thu Oct 10 2002 Hits: 93)
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| Melanoma (also called malignant melanoma or cutaneous melanoma) accounts for only about 4% of all cases of skin cancer, but causes 79% of deaths from skin cancer. The American Cancer Society predicts 47,700 new cases of melanoma will occur in the United S |
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