cancer screening

What is PSA?

Posted by  | Prevention/Screening

“PSA, or prostate specific antigen, is an enzyme that normally appears in the ejaculate or central reproduction but when there’s a cancer present, it leaks into the circulation system so you can detect it in the bloodstream, where it becomes a marker of prostate cancer and other prostate diseases,” explains William G. Nelson, M.D., Ph.D.,(...)

Is there any test for prostate cancer that doesn’t depend on a blood test for PSA?

Posted by  | Prevention/Screening

“There are an increasing collection of tests that sample other aspects of prostate cancer in urine, blood or tissue, including acquired gene defects in the disease and acquired changes that cancers display that normal cells don’t,” says William G. Nelson, M.D., Ph.D., director of the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. “I would(...)

How can I figure out if prostate cancer screening will help me personally?

Posted by  | Prevention/Screening

“The best approach is to have a significant conversation with your physician about the risks and benefits of screening. It's shared decision making,” says William G. Nelson, M.D., Ph.D., director of the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. “People have different attitudes about what they’d like to do with their health. If someone(...)

What you need to know about prostate cancer screening guidelines

Posted by  | Prevention/Screening

Prostate-specific antigen (PSA)-based screening for prostate cancer has received mixed reviews from different organizations, says William G. Nelson, M.D., Ph.D., director of the Johns Hopkins Kimmel Cancer Center. Today, the United States Preventive Services Task Force has posted draft recommendations for prostate screening that encourage men ages 55 - 69 to make individual decisions about(...)

Top Trends in Cancer Research 2011

Posted by  | Prevention/Screening, Research

It's been a game-changing year in cancer research.  Doctors and scientists don't typically like to use those words, but here's why I think this is a turning point.  Scientists are churning out the genetic code of cancer cells as quickly as the cost of sequencing technology plummets.   Teams of researchers are looking for ways to add the new armory of cancer cell-targeted(...)