本文介绍HpD—PdT治疗14例恶性肿瘤的临床经验以及治疗后肿瘤的病理改变。14例中鳞癌7,基底细胞癌2,黑色素瘤2,腺瘤1,成骨肉瘤1,移行细胞瘤1。治疗效果:治愈5(35.7％),显效2(7.14％),有效4(28.6％),无效3(21.4％)。波长630nm的红光可穿透肿瘤组织深达3cm。对影响内腔肿瘤照射剂量的各种因素予以讨论。注药后与照射的间隔时间以48、72小时较为理想。与此疗法的同时应强调综合治疗的必要性。 This article describes the clinical experience of HpD-PdT treatment of 14 cases of malignant tumors and the pathological changes of the treated tumors. In 14 cases of squamous cell carcinoma 7, basal cell carcinoma 2, melanoma 2, adenoma 1, osteosarcoma 1, transitional cell tumor 1. Therapeutic effects: Cure 5 (35.7%), Significant 2 (7.14%), Effective 4 (28.6%), Ineffective 3 (21.4%). Red light at a wavelength of 630 nm penetrates the tumor tissue by up to 3 cm. Various factors affecting the irradiation dose of the cavity tumor will be discussed. The interval between injection and irradiation is preferably 48 and 72 hours. With this therapy, the need for comprehensive treatment should be emphasized.