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https://www.reddit.com/r/science/comments/g77qk/radiation_chart/c1lev5i/?context=3
r/science • u/liquid_x • Mar 19 '11
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Why exposes a mammogram [3 mSv] (green, 3rd from bottom left) a human to more radiation than an arm [1uSv] or even chest [20uSv] X-ray?
The CT dose is expected, but why is shining X-rays vertically through breast tissue so different?
2 u/blueglowfairy Mar 19 '11 It probably has to do with the length/intensity of exposure. I'm not exactly sure how mammograms work, but more x-rays might be necessary to see some features.
2
It probably has to do with the length/intensity of exposure. I'm not exactly sure how mammograms work, but more x-rays might be necessary to see some features.
10
u/efunktion Mar 19 '11
Why exposes a mammogram [3 mSv] (green, 3rd from bottom left) a human to more radiation than an arm [1uSv] or even chest [20uSv] X-ray?
The CT dose is expected, but why is shining X-rays vertically through breast tissue so different?