Notes in 12 CT physics

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Status	Last Update	Fields
Published	05/01/2023	Imaging Physics: CT Physics {{c1::Computed tomography (CT)::imaging modality}} produces cross-sectional images ("slices") by rotating a(n) {{c2::…
Published	05/01/2023	Imaging Physics: CT Physics In CT, a reconstruction algorithm is used to determine the {{c1::linear attenuation}} coefficient of each individual pixel
Published	05/01/2023	Imaging Physics: CT Physics {{c1::Hounsfield}} unit is a measure of relative CT {{c2::attenuation}}
Published	05/01/2023	Imaging Physics: CT Physics Hounsfield unit = {{c1::1000 * [(μx-μwater) / μwater]::equation}}where μx = attenuation coefficient of the {{c2::mate…
Published	05/01/2023	Imaging Physics: CT Physics +/- {{c1::10}} Hounsfield Units (HU) = {{c2::1}}% difference in contrast
Published	05/01/2023	Imaging Physics: CT Physics Gray matter and white matter differ in contrast by only {{c1::0.5}}%
Published	05/01/2023	Imaging Physics: CT Physics A material with {{c1::2}}x the attenuation of water attenuates {{c2::1000}} Hounsfield Units (HU)
Status	Last Update	Fields