Active surveillance for low-risk prostate cancer: Need for intervention and survival at 10 years.

Introduction: To describe the need for treatment and cancer-specific and overall survival in a contemporary active surveillance (AS) cohort.

Patients And Methods: Historical cohort study of men diagnosed with localized prostate cancer between 1997 and 2009 and managed with AS at a tertiary care center. Inclusion criteria were Gleason score ≤ 6 (Gleason score of 7 in select patients),≤ 3/12 cores positive, and prostate-specific antigen (PSA) level< 20 ng/ml.