from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A form of apheresis and photodynamic therapy in which blood is treated with photoactivable drugs which are then activated with ultraviolet light.


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  • Jacob goes to the hospital twice a week for photopheresis treatments; his blood is exposed to light and medicine to help the donor cells adapt to his body.

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  • And we thought, after a day of rest, that I'd get-begin two other days of certain kinds of photopheresis, other blood-cleansing processes and other things that would prevent grant-versus-host disease.

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