For certain medical conditions, X-ray or ultrasound images don’t provide enough information. A CT scan provides a more detailed view of tissues, blood vessels, and bones. Doctors and other medical ...

Computed tomography (CT) scanning provides images of sections of the body (slices) using special X ray equipment and sophisticated computers. CT scans of internal organs, bone, soft tissue and blood ...

—Sharon Waisbrod, MD, discusses a systematic review and meta-analysis of prospective and retrospective studies published over an 11-year period that evaluated the prevalence of cancer in patients with ...

» Does the patient exposure from a CT procedure depend on the number of slices? Before answering this question, let’s compare two radiation quantities involved. First, dose, or absorbed dose, ...

After a diagnosis of urothelial cancer, doctors will assign a stage to the disease -- determining how deep the tumor has invaded into the bladder and whether there is any spread to the lymph nodes and ...