Ascites CT
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Ascites Microchapters |
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Ascites CT On the Web |
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American Roentgen Ray Society Images of Ascites CT |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Eiman Ghaffarpasand, M.D. [2]
Overview
Abdominal CT scan may be helpful in the diagnosis of ascites. Findings on CT scan suggestive of ascites include fluid accumulation within abdominal cavity, defined as transudate (same density as water), exudate (more density than water), and hemoperitoneum (density as ~45 HU).
CT Scan
Abdominal CT scan may be helpful in the diagnosis of ascites. Findings on CT scan suggestive of ascites include:[1]
- Fluid accumulation within abdominal cavity.
- Same density as water (-10 to +10 HU): Transudate
- More density than water (>15 HU): Exudate
- Density as ~45 HU: Blood (hemoperitoneum)
 Ascites due to peritoneal carcinomatosis, via Radiopaedia.org[2] |
 Ascites due to peritoneal carcinomatosis, via Radiopaedia.org[2] |
 Ascites due to cirrosis secondary to hepatitis C infection-Case courtesy of Dr David Cuete, via Radiopaedia.org[2] |
 Ascites due to cholangiocarcinoma, via Radiopaedia.org[2] |