| Computed Tomography (CT) scan is an imaging | | | | Computer Axial Tomography (CAT) scans are very |
| method used for medical purposes. This method | | | | useful for determining the anatomy and structure of |
| employs computer processing to snap shots and is | | | | bones and organs. |
| able to put together a three-dimensional (3D) model | | | | Computed tomography scan is a non-invasive |
| of whatever is being imaged. The digital geometry | | | | treatment process that does not render any painful |
| processing is used to generate the 3D images of the | | | | situation during test. It is being used for the full body |
| internal structure of the object. It includes a large | | | | scan purposes. This method is typically used to |
| series of two-dimensional X-ray images taken around | | | | detect brain injury, skull fractures, soft tissue, blood |
| a single axis of rotation. On the other hand MRI | | | | vessels, brain tumors, blood clot. It helps to |
| scanners generate the same pictures without using | | | | determine inflammation or other changes in the |
| X-rays. | | | | paranasal sinuses, plan radiation therapy for cancer of |
| Under the CT scans, physicians use highly specialized | | | | the brain or other tissues. The CT scanning process |
| kind of X-rays to generate suitable images of the | | | | combines special sophisticated X-ray equipment to |
| bone structure, soft tissue, internal organs and blood | | | | generate multiple images of the inside structure of |
| vessels. Patient is required to lie down on a couch | | | | the body. These cross-sectional images can be |
| during the CT scan procedure. Now it slides into a | | | | examined on a computer monitor or printed form. |
| chamber which performs X-ray of the entire body. | | | | Therefore radiologists can easily diagnose some fatal |
| The generated result is transferred to a computer | | | | diseases like cancer, infectious disease, |
| which helps physicians to assess the whole situation. | | | | musculoskeletal, cardiovascular disease etc. Though |
| The produced volume of data can be manipulated | | | | this imaging technique is safe to use but there are |
| through a specific process called "windowing" that | | | | some side effects of the CT scan, such as allergic |
| helps to demonstrate various bodily structures based | | | | reaction to the intravenous contrast material, itching, |
| on their ability to block the X-ray/Rontgen beam. | | | | skin rash and hives. |