Multidetector computed tomography, or MDCT, a form of computed tomography technology for diagnostic imaging, can detect bladder tumors, say U.S. researchers. MDCT urography is a promising technique for detecting bladder tumors both with and without contrast material, helping patients avoid the invasive test of cystoscopy, according to a study by researchers at the University of Michigan Health System in Ann Arbor. United Press International (http://www.upi.com/ConsumerHealthDaily/view.php?StoryID=20060501-033443-4779r)