Two different machines
- CT (computed tomography) combines many x-ray images into cross-sections of the body. It is quick, which makes it common in emergencies.
- MRI (magnetic resonance imaging) uses a strong magnet and radio waves, with no x-rays. It gives detailed pictures of soft tissues such as the brain, joints and spinal cord, but takes longer.
Tell the imaging team
- If you are or might be pregnant.
- About allergies and any previous reaction to contrast dye.
- About kidney problems, which can matter for some contrast agents.
- Before MRI: every implant, device or metal fragment — such as a pacemaker, cochlear implant, clips or shrapnel — and complete the safety screening form.
Who chooses the exam
A radiologist and the referring clinician choose the exam by balancing its expected benefit against its risks. Antopeloni never interprets personal scans; the report is explained by your clinician.
Sources
- Body CT — RadiologyInfo.org — ACR/RSNA. Checked 2026-07-13; source updated 2026-06-15.
- MRI Safety — RadiologyInfo.org — ACR/RSNA. Checked 2026-07-13; source updated 2025-12-22.
Editorial update: 2026-09-26.
Medical disclaimer: this is a source-linked educational summary, not individual medical advice, diagnosis, prescription or interpretation of personal results. For severe or rapidly worsening symptoms, call 115.
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Antopeloni — plain-language health education from public sources, part of the ZIBADIS network founded by Masoud Moghaddam.
