It is commonly applied in Radical retropubic prostatectomy where surgeons may visually identify the Cavernous nerves of penis or apply a electrical stimulation penile plethysmograph diagnostic test to verify the nerves. The bilateral approach atemps to spare the nerves on both sides of the prostate. The unilateral approach is specific to one side, usually because the prostate cancer has spread to prevent a bilateral nerve sparing approach.
Revising the risk of prostate surgery. (a study of 37 men who underwent nerve-sparing surgery found that 33 were impotent one year after surgery)(Brief Article)
Aug 30, 1997; Prostate patients take heed: A much-ballyhooed surgery for prostate cancer may not work as well as previously believed....