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Cancer Channel
Reported November 13, 2013

Pinpointing Prostate Cancer

LOS ANGELES, Cali. (Ivanhoe Newswire) --About 240,000 men are diagnosed with prostate cancer each year in the U.S. One of the biggest challenges for doctors is correctly diagnosing this type of cancer. Now, there’s a new way to pinpoint prostate cancer that’s more accurate than ever.

Three years ago, Don Buck had a biopsy to check for prostate cancer. It came back clear. A year later – a second biopsy showed no cancer.

“I’m thinking I’m in pretty good shape,” Don told Ivanhoe.

However, a prior test—known as the PSA—told a different story. Don’s levels kept rising. They went up 600 percent in five years! So Don decided to see Urologist Leonard Marks to find out if his biopsies could be wrong.

“The conventional way to biopsy the prostate is not a perfect method,” Leonard S. Marks, MD, Professor of Urology, Geffen School of Medicine at UCLA, told Ivanhoe.

Traditional biopsies are blind, meaning doctors randomly remove pieces of the prostate in hopes of locating a tumor. Nearly 1,000,000 prostate cancer biopsies are performed each year and 75 percent come back negative.

“Some of them will contain a cancer,” Dr. Marks said.

UCLA’s Dr. Marks is performing a new, targeted biopsy that’s more accurate.

First, patients undergo an MRI. A special device fuses the pictures with real-time 3D ultrasound, allowing doctors to see the lesion during the biopsy.

“Before, we were never able to target like that,” Dr. Marks said.

The targeted biopsy showed Don did have cancer and it was aggressive.

“Within two years of the time that I came in to see Dr. Marks, I could have been dead,” Don explained.

It’s a test that Don says saved his life.

In a study published in the Journal of Urology, Dr. Marks performed the targeted biopsy on 171 men who either had slow-growing prostate cancer or elevated PSA levels. Prostate cancer was found in 53 percent of the volunteers. Of those cancers found using the targeted approach—38 percent had a Gleason score greater than seven, indicating an aggressive tumor which is more likely to spread. MORE.

More Information

Click here for additional research on Pinpointing Prostate Cancer

Click here for Ivanhoe's full-length interview Dr. Leonard S. Marks

If this story or any other Ivanhoe story has impacted your life or prompted you or someone you know to seek or change treatments, please let us know by contacting Marjorie Bekaert Thomas, mthomas@ivanhoe.com.

 

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