Avoid Unnecessary Biopsies: New Urine-Based Test Detects High-Grade Prostate Cancer.

New urine-based test looks at 18 genes and was specifically developed to pick out those cancers that need immediate treatment over the slow-growing type.

Researchers at the University of Michigan Rogel Cancer Center have developed a new urine-based test that addresses a major problem in prostate cancer: how to separate the slow-growing form of the disease unlikely to cause harm from more aggressive cancer that needs immediate treatment.