Computerized Tomography, or CT, is an X-ray technique that produces more detailed images of your internal organs than a conventional X-ray can produce. CT Scans are used to: Diagnose muscle and bone disorders, such as osteoporosis Pinpoint the location of a tumor, infection or blood clot Guide procedures such as surgery, biopsy and radiation therapy Detect and monitor certain diseases such as cancer and heart disease Detect internal injuries and internal bleeding