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为了保存视网膜母细胞瘤患儿视力,采用血卟啉衍生物和氩激光疗法,就可在不摘除眼球的前题下进行治疗。在治疗过程中应当注意的是,一旦发生玻璃体出血、角膜、晶状体混浊、眼底不通光等即不能继续进行此种疗法。在美国用这种方法治疗视网膜母细胞瘤失败的例子都是因为光照射整个眼球,激光量不适当引起的。视网膜母细胞瘤等眼底疾病可通过检眼镜和眼底照像直接观察病变部位,这在光学疗法中,可边观察肿瘤边治疗。另外,还可以通过电视照像、录像等进行观察,这为治疗的改进和普及提供了条件。作用机制恶性肿瘤的理想治疗方法应是选择性消灭肿瘤。因此进行了肿瘤选择性药物的研究,很早就已注意到
In order to preserve the vision of children with retinoblastoma, the use of hematoporphyrin derivatives and argon laser therapy, you can not remove the eye before the treatment. In the course of treatment should be noted that, in the event of vitreous hemorrhage, corneal, lens opacity, retinal inoperation, etc. that can not continue the treatment. In the United States in this method of treatment of retinoblastoma failure cases are because of light exposure to the entire eye, the amount of laser caused inappropriate. Retinoblastoma retinal diseases such as eye diseases can be directly through the ophthalmoscope and fundus photography to observe the lesion, which in optical therapy, while observing the side of the tumor treatment. In addition, you can also through the TV camera, video and other observations, which improve the treatment and access to provide the conditions. Mechanism of action The ideal treatment for malignant tumors should be the selective elimination of tumors. Therefore, the study of tumor-selective drugs, has long been noted