Signal intensity

What does "Signal intensity" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.

Explanation

"Signal intensity" in a medical document refers to how bright or dark a certain area appears on a medical imaging scan, like an MRI. Different tissues and substances in the body can show up as different shades of grey, depending on how much they interact with the scanning technology. This can help doctors identify what's normal and what might be different or unusual.

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