Abstract

Photodynamic therapy (PDT) using a hematoporphyrin derivative (HpD), and its more purified form dihematoporphyrin ether (DHE), in combination with dye laser systems is undergoing a great deal of study for treatment of a variety of cancers. Results to date are promising in a number of tumor types and organs. The mode of delivery of the activating light, the dosimetry of light delivered, and the therapeutic reaction obtained are extremely important in obtaining significant and selective tumor response.

© 1984 Optical Society of America

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