Modification of Fletcher Ovoid System for Afterloading, Using Standard-Sized Radium Tubes (Milligram and Microgram)

摘要: Intracavitary radium therapy has been proved highly effective in treating squamous carcinoma of the uterine cervix. This is evident results at M. D. Anderson Hospital and Tumor Institute (Houston, Texas), where absolute five-year disease-free survival rate for Stage I cases 93 per cent (1). These were achieved under a treatment policy which emphasized intracavitary radium. The treatments performed with Fletcher ovoid tandem applicators, must be loaded tubes before being brought into operating room inserted patient. Some 265 new cervix are treated annually this hospital, as average case two insertions, approximately 530 insertions year. involves handling about 30 gm. by curators (loading unloading applicators), radiotherapist (inserting removing nurses, anesthesiologist ...