NCI Dictionary of Cancer Terms
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psoralen and ultraviolet A therapy (SOR-uh-len…UL-truh-VY-oh-let A THAYR-uh-pee)
|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. Psoralen and ultraviolet A therapy may increase the risk of getting skin cancer. Also called PUVA therapy.|