psoralen and ultraviolet A therapy

psoralen and ultraviolet A therapy
PUVA therapy. A type of photodynamic therapy used to treat skin conditions such as psoriasis, vitiligo, and skin nodules of cutaneous T-cell lymphoma. The patient receives psoralen (a drug that becomes active when it is exposed to light) by mouth or applied to the skin, followed by ultraviolet A radiation. PUVA therapy may increase the risk of getting skin cancer. Also called PUVA therapy.

English dictionary of cancer terms . 2015.

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  • PUVA therapy — [psoralen + ultraviolet A] a form of photochemotherapy for skin disorders such as psoriasis and vitiligo; oral psoralen administration is followed two hours later by exposure to ultraviolet A …   Medical dictionary

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  • PUVA — stands for psoralen and ultraviolet A (UVA) therapy in which the patient is exposed first to psoralens (drugs containing chemicals that react with ultraviolet light to cause darkening of the skin) and then to UVA light. PUVA is, for instance,… …   Medical dictionary

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