MRI vs. CT Scan: Understanding Similarities & Differences

MRI and CT scans are both non-invasive medical imaging techniques producing cross-sectional images for diagnosing tumors, injuries, infections, vascular/organ abnormalities.

Similarities

• Non-invasive
• Cross-sectional images
• Wide diagnostic range
• Can use contrast agents
• Performed on various body parts
• Widely available
• Relatively safe with unique risks/benefits

Key Difference

• MRI uses magnetic fields and radio waves.
• CT uses X-ray radiation.

Choice depends on clinical condition, patient factors, provider expertise.