Surgical Castration in Hormone-Refractory Metastatic Prostate Cancer Patients Can Be an Alternative for Medical Castration

Figure 1

Serum testosterone levels in prostate cancer patients continuously on LHRH agonist or surgical castration. Medical: LHRH agonist, Surgical: surgical castration, vertical line: serum testosterone level (ng/mL), horizontal line: time after induction of LHRH agonist/surgical castration (years).