Evaluation of photodynamic therapy in advanced gastrointestinal cancer.


One hundred forty-two patients with advanced gastrointestinal cancers were treated by PDT from September 1982 to December 1988. Hematoporphyrin derivative (HpD) (5 mg/kg) was given intravenously 48-72 hours before PDT. The light source was an argon dye laser with an output beam of 630 nm. The entire tumor was irradiated with a light dose of 100-250 J/cm 2… (More)


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