Spacer application for prostate cancer radiation therapy

摘要: Definitive radiotherapy is a well-recognized treatment option for localized prostate cancer. Rectum toxicity the dose-limiting toxicity. Dose-volume correlations have been reported in many studies. The application of spacer to increase distance between and anterior rectal wall an innovative technique, considerably reducing dose rectum. Hyaluronic acid, human collagen, inflatable balloon or hydrogel are potential materials create desired effect. number clinical studies rapidly increasing. Well-tolerated injection implantation techniques low treatment-related demonstrated prospective Long-term results randomized needed better define beneficial effect patient.