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Prostate cancer blog: High-dose radiation reduces prostate cancer return

Prostate cancer main Prostate cancer news Prostate cancer basics  

Sep 21, 2005

High-dose radiation reduces prostate cancer return

High-dose radiation reduces prostate cancer returnMen who have localized prostate cancer can benefit from high-dose external radiation therapy, according to a new study.
Prostate cancer can be treated by either conventional dose radiotherapy or by newer methods involving higher doses. The problem with the higher doses is there is a risk of adverse effects on neighboring normal tissue.

However, more accurate techniques have been developed which allow more focused delivery of radiation - together these are known as 'three-dimensional conformal therapy'. Now researchers at Massachusetts General Hospital and Harvard Medical School report on whether these higher doses can prevent recurrence.

They looked at 393 patients with prostate cancer who received either conventional or high-dose radiotherapy. At five years, 61.4 per cent of those having conventional radiotherapy were free of disease as determined by prostate specific antigen levels. For those on high-dose radiotherapy the figure was 80.4 per cent. Only one per cent of those on conventional dose therapy and two per cent on high-dose therapy had acute side effects. The study suggests that high-dose radiotherapy is indeed useful in preventing recurrence of prostate cancer.

Mark      Return to Prostate Cancer Blog Main


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Prostate cancer
The prostate gland is located just below the bladder and in front of the rectum in male. The tube that carries urine runs through the prostate. The prostate contains cells that make some of the seminal fluid. This fluid protects and nourishes the sperm. Prostate cancer usually starts in the gland cells of the prostate. This kind of cancer is known as adenocarcinoma. Prostate cancer is usually a slow disease, but sometimes it can grow fast and spread quickly to other organs.

Prostate cancer blog: High-dose radiation reduces prostate cancer return

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