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Can CT scan miss mass in the abdomen?

2 doctors weighed in
Dr. Ryan Polselli
Radiology
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In brief: Varies widely...

The sensitivity (how likely to be detected) of abdominal ct scans for abdominal masses varies widely depending on the type of abdominal mass and the abdominal ct technique.
When both oral and intravenous contrast are used, the sensitivity is much higher (up to 90% for some masses). However, some masses are still difficult to detect and have lower sensitivity such as colonic and small bowel masses.

In brief: Varies widely...

The sensitivity (how likely to be detected) of abdominal ct scans for abdominal masses varies widely depending on the type of abdominal mass and the abdominal ct technique.
When both oral and intravenous contrast are used, the sensitivity is much higher (up to 90% for some masses). However, some masses are still difficult to detect and have lower sensitivity such as colonic and small bowel masses.
Dr. Ryan Polselli
Dr. Ryan Polselli
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