Fatty liver CT: Difference between revisions
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== CT == | == CT == | ||
CT scan findings include: | |||
* A decrease in mean hepatic attenuation values proportional to the degree of increase of the hepatic triglycerids. | * A decrease in mean hepatic attenuation values proportional to the degree of increase of the hepatic triglycerids. | ||
* Intrahepatic vessels are more clearly distinguished as hyperattenuating structures from the surrounding liver parenchyma | * Intrahepatic vessels are more clearly distinguished as hyperattenuating structures from the surrounding liver parenchyma. | ||
* In normal individuals the attenuation value of the liver is slightly higher than that of the spleen. In fatty liver infiltration the attenuation values of both organs tend to be equal or the ratios may be reversed. | * In normal individuals the attenuation value of the liver is slightly higher than that of the [[spleen]]. In fatty liver infiltration the attenuation values of both organs tend to be equal or the ratios may be reversed. | ||
* Does not cause any mass effect nor contour deformation of the organ. | * Does not cause any mass effect nor contour deformation of the organ. | ||
* Intrahepatic vessels follow their normal course through the lesion without deformity. | * Intrahepatic vessels follow their normal course through the lesion without deformity. |
Revision as of 20:26, 5 March 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
CT
CT scan findings include:
- A decrease in mean hepatic attenuation values proportional to the degree of increase of the hepatic triglycerids.
- Intrahepatic vessels are more clearly distinguished as hyperattenuating structures from the surrounding liver parenchyma.
- In normal individuals the attenuation value of the liver is slightly higher than that of the spleen. In fatty liver infiltration the attenuation values of both organs tend to be equal or the ratios may be reversed.
- Does not cause any mass effect nor contour deformation of the organ.
- Intrahepatic vessels follow their normal course through the lesion without deformity.
Patient #1
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No contrast
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No contrast
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Contrast enhanced
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Contrast enhanced
Patient #2: Perivascular fatty infiltration