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唇癌患者22例,男17例,女5例,年龄35～75岁,病变均在下唇,为外生型。病史1个月～5年。发病3年后来诊1例,下唇溃疡脱落。其余病例肿瘤为1.0～2.5cm~2。血卟啉衍生物(HPD)为扬州生化制药厂生产,按5mg/kg 经静脉给药。采用离子泵浦染料激光,波长630nm,光纤直径400μm,光斑直径1cm,光纤输出端距病灶5cm,功率密度为300～400mW/cm~2。根据肿瘤大小。分点照射,
Lip cancer patients in 22 cases, 17 males and 5 females, aged 35 to 75 years old, lesions in the lower lip, exogenous. A history of 1 month to 5 years. One case was diagnosed after 3 years of onset and the ulcer of the lower lip came off. The remaining cases of tumor 1.0 ~ 2.5cm ~ 2. Hematoporphyrin derivative (HPD) for Yangzhou Biochemical Pharmaceutical Factory, according to 5mg / kg intravenously. An ion-pumped dye laser was used with a wavelength of 630 nm, an optical fiber diameter of 400 μm and a spot diameter of 1 cm. The output of the optical fiber was 5 cm away from the lesion and the power density was 300-400 mW / cm 2. According to tumor size. Point irradiation,