Ileus CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Akshun Kalia M.B.B.S.[2]

Overview

An abdominal and pelvic CT scan is used to confirm the diagnosis of postoperative ileus. Abdomen and pelvis CT scan (with intravenous contrast and oral water soluble contrast) can also distinguish early postoperative ileus from mechanical obstruction. Findings on CT scan diagnostic of postoperative ileus include multiple air–fluid levels throughout the abdomen, elevated diaphragm, dilatation of both large and small intestine with no evidence of mechanical obstruction.

CT

An abdominal and pelvic CT scan is used to confirm the diagnosis of postoperative ileus. Abdomen and pelvis CT scan (with intravenous contrast and oral water soluble contrast) can also distinguish early postoperative ileus from mechanical obstruction. In addition, CT scan can also identify other complications seen in post-operative period. Findings on CT scan diagnostic of postoperative ileus include:

• Multiple air–fluid levels throughout the abdomen.
• Elevated diaphragm.
• Dilatation of both large and small intestine.
• No evidence of mechanical obstruction.

Abdomen and pelvic CT scan showing ileus.(Source: Case courtesy of Dr David Cuete, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/33988">rID: 33988</a>)