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KISSIMMEE, Fla. -- A test that tallies the number of androgen receptors in a single prostate cancer cell may be an effective predictor of disease metastasis, researchers here reported.

KISSIMMEE, Fla. -- Prostate cancer patients taking sildenafil (Viagra) or its ilk reported improved sexual functioning and interest following radiation therapy and radical prostatectomy, researchers here reported.

ATLANTA -- Radiologists should avoid the use of contrast agents that contain gadolinium in patients with advanced renal disease if at all possible, according to the CDC.

KISSIMMEE, Fla.- The investigational drug satraplatin, the first oral platinum-based agent, given with prednisone, significantly slowed the progression of hormone-refractory prostate cancer, albeit briefly, investigators said here today.

KISSIMMEE, Fla. -- Aerobic or resistance exercise improved quality-of-life measures among men undergoing radiation treatment for prostate cancer, researchers here reported.

KISSIMMEE, Fla. - Men who undergo external-beam radiation treatment for rectal cancer appear to have a long-term reduced risk of prostate cancer.

KISSIMMEE, Fla. -- Dutasteride (Avodart), a drug used to treat benign prostatic hyperplasia, may also prevent the development of prostate cancer by inducing genetic changes at the cellular level, researchers reported today.

BOSTON -- Nursing home residents taking 800 IU of vitamin D were less likely to fall and had a 72% decrease in falls compared with those taking a placebo, according to a five-month study.

KISSIMMEE, Fla. -- Only 9% of the men whose early prostate cancer was judged to be indolent agreed to active surveillance, an aggressive form of the so-called watchful waiting, urologists reported here today.

LONDON -- The beneficial effects of five years of tamoxifen to healthy high-risk women in preventing breast cancer persist for at least 10 years, whereas most side effects fade, according to two major trials.

TAMPA, Fla. -- Tumor expression of two DNA-repair genes, RRM1and ERCC1, suggest a survival advantage for patients with non-small-cell lung cancer given only surgical treatment, researchers here reported.

CALGARY, Alberta -- A pregnancy hormone may offer a key to halting or reversing the progression of multiple sclerosis and other demyelinating diseases, researchers here reported.

LONDON -- Treating herpes simplex with valacylovir (Valtrex) reduces the levels of HIV in women who are infected with both viruses, according to researchers here.

ROCKVILLE, Md. -- The FDA informed physicians today of a report by GlaxoSmithKline of an increased number of arm, hand, and foot fractures among women taking rosiglitazone (Avandia) for newly diagnosed type 2 diabetes.

ORLANDO -- A bolus of highly concentrated saline can reverse transtentorial brain herniation in about 75% of cases, a Johns Hopkins researcher said here.

WHITE RIVER JUNCTION, Vt. -- A slim primer that helps patients weigh the subtleties of medical claims and the consequences of treatment decisions appears to have survived the rigors of a randomized controlled study.

UTRECHT, The Netherlands -- In low-risk patients undergoing CABG surgery, spurning the cardiopulmonary bypass pump had no effect on five-year cognitive or cardiac outcomes, according to Dutch researchers.

CHICAGO -- Survivors of childhood cancers have a nine-fold higher risk of developing secondary sarcomas more than a decade after their original diagnosis, reported investigators here.