How to Read Your MRI Report

MRI reports are written by radiologists for other doctors — not for patients. They’re dense with sequences, signals and anatomy that mean very little without training, which makes it easy to fear the worst when you’re reading yours alone.

Here is what every section and term actually means, in plain English, so you can understand your findings before your next appointment.

MRI vs CT scan — what’s the difference?

An MRI uses powerful magnets and radio waves — no radiation — and is better for soft tissue, the brain, the spine and joints. It produces highly detailed images of structures like ligaments, discs, nerves and the brain itself.

A CT scan uses X-rays and is faster, making it better for bones, the lungs and emergencies where speed matters. Which one you had depends on what your doctor needed to see.

The structure of an MRI report

Clinical indication — the reason the scan was ordered, such as your symptoms or a question your doctor wanted answered. It sets the context for everything the radiologist looked for.

Technique — the specific sequences and views used, and whether contrast dye was given. For MRI this lists things like T1, T2 and FLAIR, which is why the report can read like a foreign language.

Findings — the detailed, structure-by-structure observations. This section is thorough and includes normal results too, so a long findings section is not a bad sign.

Impression — the radiologist’s conclusion and the most important part to read first. It distills all the findings into what actually matters and what, if anything, needs follow-up.

Common MRI terms explained

Red flags in MRI reports

Most MRI findings are not emergencies. A few phrases in the report warrant prompt attention from your doctor — especially if you also feel unwell. Reach out about:

If you have severe symptoms such as chest pain, trouble breathing, fainting or confusion do not wait for a callback — call 911 or go to the nearest emergency room.

Questions to ask your doctor about your MRI