Sequential Comparison of Seed Loss and Prostate Dosimetry of Stranded Seeds With Loose Seeds in 125I Permanent Implant for Low-Risk Prostate Cancer

Despite elimination of venous seed migration, greater seed loss was observed with SSs compared with LSs, with the primary site of loss being the urinary tract. Modification of the technique might be necessary to minimize this. Prostate dosimetry on Days 7 and 30 was similar between the SS and LS cohorts.