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Targeted focal therapy for prostate cancer: a review of the literature

Anschutz Cancer Center, Room 1004, 1665 North Aurora Court, P.O. Box 6510, Aurora, CO 80045, USA

E. David Crawford

Anschutz Cancer Center, Room 1004, 1665 North Aurora Court, P.O. Box 6510, Aurora, CO 80045, USA, david.crawford{at}uchsc.edu

Improvements in prostate cancer diagnosis and treatment have resulted in a decreasing age-adjusted death rate. But improved diagnostic tools have not delivered a proportionate decrease in mortality, primarily because physicians now are diagnosing _ and treating _ more clinically insignificant tumors. Targeted focal therapy (TFT) uses three dimensional (3D) mapping biopsies to guide cryotherapy so that it targets lesions themselves while sparing surrounding healthy tissues, thereby avoiding side effects associated with more invasive treatments. As such, TFT can provide a bridge between active surveillance and more aggressive treatments for patients with low-risk tumors. It is appropriate for men who either do not want or are not good candidates for more aggressive therapies. Identifying patients who are appropriate candidates for TFT is challenging, but the mapping biopsy technique helps identify individuals who have localized disease and could benefit from this treatment. In recent years, improvements in cryotherapy have increased its efficacy while decreasing complications. At the present time using cryotherapy to target and destroy the cancer(s) is appealing. Other approaches to less aggressive therapies are discussed including gland hemi ablation, high intensity ultrasound (HIFU) and others. Going forward, patients will benefit further from development of better imaging technologies and completion of long-term survival studies.

Key Words: prostate cancer • cryotherapy • targeted focal therapy (TFT) • PSA screening • digital rectal examination • transrectal ultrasound

This version was published on August 1, 2009

Therapeutic Advances in Urology, Vol. 1, No. 3, 149-159 (2009)
DOI: 10.1177/1756287209338708


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