'''So-called virtual colonoscopies -- done using souped-up x-rays -- detect tumors and precancerous lesions almost as well as standard colonoscopies using a camera threaded through the colon, Italian researchers reported on Tuesday. The virtual ...'

'''Computed tomographic colonography (CTC), also known as virtual colonoscopy, remains effective in screening older patients for colorectal cancer (CRC), produces low referral for colonoscopy rates similar to other screening exams now covered by Medicare, ...'

'''iCAD, Inc. (Nasdaq: ICAD), an industry-leading provider of Computer-Aided Detection (CAD) solutions for the early identification of cancer, announced it has initiated a clinical study for Colon CAD, its virtual colonoscopy CAD product, in partnership ...'

'''Computed tomography colonography (CTC), also known as virtual colonoscopy, offers a noninvasive alternative to traditional (optical) colonoscopy for detection of precancerous polyps. The technology has been around for over 20 years, and numerous studies ...'