Elevated PSA with a negative biopsy
What is the next step in the treatment of a patient who has a prostate-specific antigen (PSA) level between 4 and 10 ng/mL and a negative biopsy?
Diagnosis & Disease Information
Testosterone receptors and prostate cancer
Is all prostate cancer testosterone receptor-positive?—Mike Hutchins, MD, Missoula, Mont. Yes, all prostate cells have androgen receptors. This is the reason prostate cancer will respond to androgen deprivation. What has puzzled urologists for more than 50 years now is the mechanism of resistance to androgen ablation. Much attention has focused on the androgen receptor as…
Determining when men need testosterone
Deficiency can lead to sexual dysfunction and osteoporosis. Here are approaches to diagnosis and some factors to consider before treating.
Why do digital rectal exams?
If the DRE is not recommended to screen for prostate or colon cancer, why do we do it?
Popular drugs lower PSA levels
Two of the most commonly used classes of medication—statins and nonsteroidal anti-inflammatory drugs (NSAIDs)—may compromise already controversial cancer screenings by lowering serum levels of prostate-specific antigen (PSA).
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