Brachytherapy: update and results.

Prostate cancer is the most common noncutaneous malignancy and the second most common cause of cancer mortality in American men. Treatment options for these patients include radical prostatectomy, external beam radiation therapy, hormonal therapy, and prostate brachytherapy. Patients with clinically and radiographically localized disease, especially young patients with few comorbid illnesses, are good candidates for prostate brachytherapy. Prostate brachytherapy has gained widespread acceptance throughout the past two decades and data from several large series of patients are now available. This article describes current techniques, treatment issues, and clinical results of permanent seed implants.