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Hemorrhagic lesions and nonvascular lesions do not blanch ("negative diascopy"); inflammatory lesions do ("positive diascopy"). Diascopy is sometimes used to identify sarcoid skin lesions, which, when tested, turn an apple jelly color.
Skin whitening, also known as skin lightening and skin bleaching, is the practice of using chemical substances in an attempt to lighten the skin or provide an even skin color by reducing the melanin concentration in the skin. Several chemicals have been shown to be effective in skin whitening, while some have proven to be toxic or have ...
When skin is blanched, it takes on a whitish appearance as blood flow to the region is prevented. This occurs during (and is the basis of the physiologic test known as) diascopy . Blanching of the fingers is also one of the most clinically evident signs of Raynaud's phenomenon .
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Clobetasol propionate is a corticosteroid that is used to treat skin conditions such as eczema, contact dermatitis, seborrheic dermatitis, steroid responsive dermatosis, and psoriasis (including scalp and plaque-type). [8] [9] It is applied to the skin as a cream, foam, gel, liquid, solution, ointment, or shampoo.
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
The procedure has been researched as electrochemotherapy of skin tumors since the early 1990s [27] and was first used in 2017 for vascular malformations. [28] Initial reports indicated that the use of bleomycin in combination with reversible electroporation can potentially enhance the sclerotherapy effect.
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