Press Releases

Laser-targeted removal of prostate tumors works as well as complete removal of prostate


Dr. Eric Walser
By utmb | March 22, 2019

GALVESTON, Texas – Researchers from The University of Texas Medical Branch at Galveston, led by prostate cancer treatment pioneer Dr. Eric Walser, have shown that selectively destroying cancerous prostate tissue is as effective as complete prostate removal or radiation therapy while preserving more sexual and urinary function than the other treatments. This study is currently available in Journal of Vascular and Interventional Radiology.
Prostate cancer the second most common form of cancer in men. In fact, 1 in 9 men will be diagnosed during his lifetime. The American Cancer Society estimates 174,650 new cases and 31,620 deaths from prostate cancer in 2019.
With current screening techniques, prostate cancers are now often detected early enough so that with treatment, they stay within the prostate gland and don’t spread or cause harm to the patient. However, aggressive treatments such as removing the prostate or radiation therapy can result in difficulty with urinary and sexual functions.
Walser, lead author, UTMB professor and chair of the department of radiology, helped to establish a less invasive method of targeting and removing only the cancerous prostate tissue called focal laser ablation or FLA. This outpatient procedure has very little recovery or pain and preserves erectile and urinary functions.
“FLA offers men more peace of mind than active surveillance or ‘watchful waiting’, the traditional alternative to radical treatment,” said Walser. “FLA pairs MRI imaging to identify cancer-suspicious areas in the prostate and advanced laser technology to remove it completely, with virtually no risk of impotence or incontinence.”
In 120 men with low- to intermediate-risk prostate cancer treated with FLA, 17 percent needed additional cancer treatment after one year with no noticeable change in quality of life or urinary function.
In a small group of men who underwent a more aggressive FLA, only 6 percent had evidence of cancer one year later. However, these men all noticed a significant drop in sperm count.
“Other studies have shown that after completely removing the prostate, 15 to 30 percent of patients have a cancer recurrence within 5 to 10 years of surgery,” Walser said. “Although FLA doesn’t yet have such long-term data, this technique may ultimately provide similar cancer control while better preserving quality of life.”
Other authors include UTMB’s Anne Nance, Leslie Ynalvez, Shan Yong, Jacqueline Aoughsten, Eduardo Eyzaguirre and Stephen Williams.




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