How does MRI technology primarily differ from CT scans?

MRI technology fundamentally differs from CT scans in that MRI utilizes magnetic fields and radio waves to generate images of the body, while CT scans rely on X-rays. This difference in imaging technology leads to varied strengths in what each modality can visualize effectively.

MRI is particularly advantageous for soft tissue imaging, such as muscles, ligaments, and organs, which is due to its ability to create high-contrast images without the use of ionizing radiation. In contrast, CT scans excel at visualizing bone structures and detecting subtle differences in mineral composition, which may not be as well captured by MRI.

The use of X-rays in CT scans means that these imaging processes expose patients to a certain amount of radiation, while MRI avoids this entirely, thus offering a safer alternative for certain diagnostic purposes. The understanding of these fundamental principles is crucial in selecting the appropriate imaging modality based on the clinical scenario and the tissues being evaluated.