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Gold seed implantation in prostate brachytherapy
1Department of Urology, Charité Medical School, Humboldt University, Berlin, Germany. loening@rz.charite.hu-berlin.de
Seminars in Surgical Oncology
|November 14, 1997
Summary
Interstitial brachytherapy using radioactive gold seeds offers an effective prostate cancer treatment. This technique shows high negative biopsy rates and excellent long-term cancer-specific survival across various localized prostate cancer stages.
Area of Science:
- Oncology
- Radiotherapy
- Urology
Background:
- Prostate cancer is a leading cause of cancer death in men.
- Interstitial brachytherapy has emerged as a treatment option for localized prostate cancer.
- Radioactive gold has been utilized for interstitial brachytherapy for over four decades.
Purpose of the Study:
- To evaluate the long-term efficacy and safety of interstitial brachytherapy with radioactive gold for localized prostate cancer.
- To assess biopsy-proven outcomes and cancer-specific survival rates.
- To present radioactive gold seed technique as an alternative therapy.
Main Methods:
- Retrospective analysis of patients treated with interstitial brachytherapy using radioactive gold (liquid gold and seed techniques).
- Data collection on biopsy results and cancer-specific survival at 5 years.
- Staging of prostate cancer according to established criteria (Stages A, B1, B2, C).
Main Results:
- Biopsy results demonstrated an approximately 80% negative rate, indicating successful treatment.
- Five-year cancer-specific survival rates were 100% for Stage A and B1, 90% for Stage B2, and 76% for Stage C.
- The treatment was generally well-tolerated.
Conclusions:
- Interstitial brachytherapy with radioactive gold is an effective treatment for localized prostate cancer.
- The seed technique offers a viable and well-tolerated therapeutic alternative.
- Long-term survival data support the use of this modality for various stages of prostate cancer.