The thing often referred to as a doughnut is a CT Scanning Machine. CT scanning is very painless. CT scanner is a huge machine that has a doughnut hole in the center with a moveable table that the patient lays on. All that is required of the patient is to lay still. An x-ray technician will guide the table with you laying on it to the proper position. Often a physician may require a patient to have a CT scan to make a diagnosis .
Many illnesses can be caught early by the use of a CT scan. Cancer; trauma , cardiovascular disease and problems with your musculoskeletal systems are just a few of the many illnesses that can be detected.
When x-ray are required of organs; blood vessels; bone; or soft tissues ,it is recommended that a CT scan be preformed. Multiple images or pictures can be produced and put together for cross viewing of the body area being studied by your physician.
It is best to have a CT scan to diagnosis diseases that may lead to you having a stroke; kidney failure ; or different forms of cancer such as : lung ,liver and pancreatic cancer. The images from a CT scan promote physicians to conform the size of tumors , location, and to what extent...