What is the difference between MRI and CT scan ?And who is the most useful?
CAT Scans – Cat scans are a specialized type of x-ray. The patient lies down on a couch which slides into a large circular opening. The x-ray tube rotates around the patient and a computer collects the results. These results are translated into images that look like a “slice” of the person. Sometimes a radiologist will decide that contrast agents should be used. Contrast agents are iodine based and are absorbed by abnormal tissues. They make it easier for the doctor to see tumors within the brain tissue. There are some (rare) risks associated with contrast agents and you should make sure that you discuss this with the doctor before arriving for the examination. CT is very good for imaging bone structures. In fact, it’s usually the imaging mode of choice when looking at the inner ears. It can easily detect tumors within the auditory canals and can demonstrate the entire cochlea on most patients. MRI MRI is a completely different animal! Unlike CT it uses magnets and radio waves to creat
