It is generally considered that both CT scans and MRI are safe procedures with a low risk of complications. However, there are some differences between the two that may make one a safer option for a particular individual.

CT scans use x-rays to create detailed images of the inside of the body. They are generally quick and easy to perform and can produce detailed images of bones, tissues, and organs. However, they do use radiation, which can increase the risk of cancer with repeated or prolonged exposure.

MRI uses magnetic fields and radio waves to create detailed images of the inside of the body. They do not use radiation and are generally considered safer for pregnant women and young children. However, they can be longer and more uncomfortable than CT scans, as the person must lie inside a narrow tube for an extended period of time. Additionally, some people may have a fear of enclosed spaces or may have a hard time lying still for the duration of the scan.

In general, the best option for an individual will depend on their specific needs and circumstances. It is important to discuss the risks and benefits of each procedure with a healthcare professional to determine the safest option for you.