How to Read the Findings Section of Your AI Radiology Report (Brain MRI Walkthrough)

The Findings Section: The Longest — and Most Important — Part of Your Report

When you receive an AI-generated radiology report from X-ray AI Analyzer, you'll notice it has several distinct sections. Of all of them, Findings is the one that does the heaviest lifting.

While sections like Clinical Indication or Technique set the context, and Impression gives you the summary, the Findings section is where the AI documents every observable detail it detects on your scan. Think of it as the raw data layer — a structured, observation-by-observation account of what the image shows.

For a brain MRI, this section can include anywhere from two to ten or more individual observations. Each one is written in radiology language, which — if you're not a clinician — can feel like reading a foreign language. That's exactly what this guide is here to fix.

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How AI Identifies Individual Observations on an Image

X-ray AI Analyzer doesn't look at your scan the way a person glances at a photo. It processes the image through multiple analytical layers, comparing pixel intensities, shapes, symmetry, and spatial relationships against patterns learned from hundreds of thousands of annotated medical images.

When it detects something worth noting — a region of unusual brightness, a slight asymmetry, a structural change — it flags it as a finding. Each finding is then described using standardized radiology terminology, assigned a location (using anatomical landmarks), and contextualized by size or severity where applicable.

The result is a list of discrete, numbered or bulleted observations — precise, consistent, and reproducible.

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Example: A Real Findings List from a Brain MRI

Here's what a typical Findings section might look like for a brain MRI. This is a realistic composite example based on common observations:

Findings:

1. White matter hyperintensities — Several punctate T2/FLAIR hyperintense foci are identified in the bilateral periventricular and subcortical white matter, the largest measuring approximately 4 mm. Findings are nonspecific but may reflect small vessel ischemic change.
2. Mild cortical atrophy — There is mild generalized cerebral volume loss with widening of cortical sulci, proportionate for the patient's stated age.
3. Ventricular system — The lateral, third, and fourth ventricles are normal in size and configuration. No hydrocephalus.
4. No acute infarct — No restricted diffusion to suggest acute ischemia on DWI sequences.
5. Posterior fossa — Cerebellum and brainstem are unremarkable. No mass or abnormal signal.
6. No midline shift — Midline structures are intact. No herniation.

Six findings. Some reassuring, some requiring context. All of them meaningful — once you know how to read them.

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Terminology Explained: What Do These Words Actually Mean?

Radiology reports rely on a shared vocabulary that's precise but unfamiliar to most patients. Here are the most common terms you'll encounter in a brain MRI Findings section:

• Hyperintensity — An area that appears brighter than surrounding tissue on a specific MRI sequence (usually T2 or FLAIR). Brightness indicates fluid, inflammation, or structural change — not necessarily damage.
• Lesion — A broad term for any area of abnormal tissue. It does not imply cancer. A lesion can be benign, incidental, or clinically significant.
• Atrophy — Reduction in tissue volume. Mild cortical atrophy in older adults is often a normal aging finding.
• Foci / Focus — Small, localized spots of abnormality. "Punctate foci" means tiny dot-like areas.
• Periventricular — Located near the ventricles (fluid-filled spaces in the brain).
• DWI / FLAIR / T2 — Names of MRI sequences (different "filters" that highlight different tissue properties).
• Midline shift — Movement of brain structures from one side to the other, which can indicate pressure or mass effect.
• Unremarkable — One of the most reassuring words in radiology. It simply means: nothing abnormal detected here.

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Findings vs. Impression: Two Different Levels of Detail

A common source of confusion is the relationship between Findings and Impression. Here's the key distinction:

Findings = everything the AI observed, described objectively and in detail. Impression = the AI's interpretive summary — what those findings likely mean together.

For example, the six findings listed above might produce this Impression: "Mild age-related white matter changes and cortical volume loss. No acute intracranial abnormality identified."

Same scan. Two very different reading experiences. Findings give you the map; Impression gives you the destination.

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Every Finding in Plain Language

Let's translate the six findings from our example into everyday language:

1. White matter hyperintensities → Small bright spots in the brain's wiring, possibly from minor changes in blood vessels. Common after middle age.
2. Mild cortical atrophy → The brain has slightly less volume than in younger years — a normal part of aging.
3. Ventricular system normal → The fluid spaces in the brain look healthy. No dangerous fluid buildup.
4. No acute infarct → No signs of a recent stroke.
5. Posterior fossa unremarkable → The lower back part of the brain, including the cerebellum and brainstem, looks fine.
6. No midline shift → The brain is sitting symmetrically. No internal pressure pushing things out of place.

Six clinical observations. Six plain-language explanations. That's the difference between a report that confuses you and one that empowers you.

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See It for Yourself — and Track Changes Over Time

Understanding one scan is valuable. Comparing two scans over time is even more powerful.

X-ray AI Analyzer's Compare feature lets you upload two scans — taken weeks, months, or years apart — and see a side-by-side Findings analysis that highlights what has changed, stayed stable, or resolved.

Whether you're monitoring a known finding or simply tracking your brain health over time, the Compare feature gives you a clear, structured view of progression.

Try the Compare feature and upload your first two scans →

Want to explore a full brain MRI report example before uploading your own? View our interactive Brain MRI showcase →