Hounsfield Scale

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6 Terms

1
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Hounsfield scale

A scale used in computed tomography (CT) that assigns a number to the X-ray absorption properties of a tissue

2
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Hounsfield value of bone

+1,000 (because it highly absorbs X-rays)

3
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Hounsfield value of water

0

4
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Hounsfield value of air

-1,000 (because it transmits most X-rays)

5
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Why does bone have a Hounsfield value of +1,000?

Because it highly absorbs X-rays

6
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Why does air have a Hounsfield value of -1,000?

Because it transmits most X-rays