Biochemical failure-rate and preservation of erectile function after prostate seed brachytherapy in early-onset prostate cancer.

To analyze biochemical failure-free survival and erectile dysfunction (ED) in younger men treated with prostate seed brachytherapy (PB).

Included were patients ≤ 55 years treated with PB. Erectile function at baseline and after treatment were assessed using the physician-reported CTCAE version 4.