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What is PUVA? PUVA or photochemotherapy is a type of ultraviolet radiation treatment (phototherapy) used for severe skin diseases. PUVA is a combination treatment which consists of Psoralens (P) and then exposing the skin to UVA (long wave ultraviolet radiation). It has been available in its present form since 1976.
pivâ¢ot. (ËpÉªv Ét) n. 1. a pin, point, or short shaft on the end of which something rests and turns, or upon and around which something rotates or oscillates. 2. the end of a shaft or arbor, resting and turning in a bearing. 3. a person or thing on which something turns, hinges, or depends: She was the pivot of the campaign's success.