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Mayo Clinic finds early success with laser that destroys tumors with heat
Date:10/14/2010

JACKSONVILLE, Fla. Physicians at Mayo Clinic's Florida campus are among the first in the nation to use a technique known as MRI-guided laser ablation to heat up and destroy kidney and liver tumors. So far, five patients have been successfully treated meaning no visible tumors remained after the procedure.

They join their colleagues at Mayo Clinic's site in Rochester, Minn., who were the first to use laser ablation on patients with recurrent prostate tumors.

Although the treatment techniques are in the development stage, the physicians say the treatment is potentially beneficial against most tumors in the body either primary or metastatic as long as there are only a few in an organ and they are each less than 5 centimeters in size (about 2 inches in diameter). Patients also cannot have a pacemaker or certain metallic implants, since the procedure is done inside an MRI machine.

"Laser ablation offers us a way to precisely target and kill tumors without harming the rest of an organ. We believe there are a lot of potential uses of this technique which is quite exciting," says Eric Walser, M.D., an interventional radiologist who has pioneered the technique at Mayo Clinic, Florida.

In the United States, laser ablation is primarily used to treat brain, spine and prostate tumors, but is cleared by the U.S. Food and Drug Administration (FDA) for any soft tissue tumor. Only a few centers have adapted the technique to tumors outside of the brain.

Dr. Walser has been using laser ablation since June. He learned the technique in Italy, where its use is more common, and he adapted it for patients at Mayo Clinic, Florida, many of whom are on a liver transplant waiting list. The clinic is a large liver tra
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Contact: Kevin Punsky
punsky.kevin@mayo.edu
904-953-2299
Mayo Clinic
Source:Eurekalert

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