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Episode 67. Peter Attia, MD: Detect Cancer EARLY... Before it Spreads (Prostate, Breast, Colon, Lung Screening)

MedCram

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The Importance of Diffusion-Welded Imaging for Cancer Screening

A CT scan is shining electrons through something, and on the backside of that thing, it's collecting how many electrons hit it. MRI totally different. It's using powerful, very powerful magnets and making protons move,. Depending on how it pulses the protons, it's measuring different aspects of the movement of protons. The diffusion-weighted imaging trick is to pulse water and basically look to see how long it takes to move again.

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