
PUVA keratosis
    
    Encyclopedia
    
        A PUVA keratosis is a precancerous keratotic skin lesion that arises from exposure to psoralen
plus ultraviolet A light therapy.
Psoralen
Psoralen  is the parent compound in a family of natural products known as furocoumarins. It is structurally related to coumarin by the addition of a fused furan ring, and may be considered as a derivative of umbelliferone...
plus ultraviolet A light therapy.

