The pain, says anyone who has had a kidney stone, is excruciating. Kidney stones are one of the most common disorders of the urinary tract. But...

Targeted biopsies are slowly gaining acceptance as a standard for diagnosing prostate cancer. Urologists can now see a patient's tumor within the...

A growth on a kidney can pose a dilemma. Traditionally, the safest way to find out whether it is cancerous has been to remove the entire kidney....