Prostate Seed Therapy Eligibility

Who is eligible?

In cases where prostate seed therapy may be appropriate, the patient will typically have a consultation with the urologist and the radiation oncologist. Based upon the findings, a decision to pursue prostate seed therapy may be made.

Who is a candidate for this procedure?

  • Patients with localized prostate cancer, in these clinical stages:
    • Stage I — cannot be felt during a rectal exam and has no symptoms. Cancer is only in the prostate and usually found by PSA testing.
    • Stage II — Can be felt during a rectal examination
    • Stage III — tumor has spread outside the covering of the prostate to tissues immediately around the prostate.
  • Patients with PSA up to 40 (a blood test that determines the amount of prostate-specific antigen (PSA), which at high levels may indicate prostate cancer.) Some patients with elevated PSAs may require pelvic lymph node dissection to confirm if they are candidates for the procedure.
  • Patients with both aggressive and non-aggressive cancer, determined by Gleason scores. These scores are based on a 10-point grading system that indicates the aggressiveness of the prostate cancer, with 2/10 the least aggressive and 10/10 the most aggressive.

Who is not a candidate for this procedure?

  • Patients with metastatic prostate cancer that has moved to bone or lymph nodes cannot be considered for this procedure.
  • Patients, whose prostate cancer has moved into the seminal vesicle, found right next to the prostate, can't be considered for this procedure.
  • Patients with an especially large or small prostate.
  • Medical conditions that make anesthesia too dangerous.
  • Pubic bone "shielding" the prostate.
  • Patients who have difficulty with urinary stream and flow.
  • A large center lobe of the prostate.


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