How Is a CT Scan Different from an X-Ray?
CT Scans and X-Rays are both imaging techniques used for medical diagnosis, but they have some key differences. Here's a breakdown of how they differ:
- Imaging Technology: X-rays use a single beam of radiation to create a flat, two-dimensional (2D) image of the body. This image can show bones clearly but struggles to distinguish between soft tissues like muscles, organs, and blood vessels. In contrast, CT scans employ X-rays but in a more sophisticated way. They use a rotating X-ray source and multiple detectors to capture images from various angles. Sophisticated computers then process this data to create detailed cross-sectional slices of the body, offering a three-dimensional (3D) view.
- Level of Detail: Due to their 2D nature, X-rays provide a limited view of internal structures. They are excellent for examining bones and detecting fractures but might miss subtle abnormalities in soft tissues. CT scans, with their 3D capabilities, offer a much more comprehensive view. They can precisely pinpoint the location, size, and shape of abnormalities within soft tissues, bones, and blood vessels, leading to a more accurate diagnosis.