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CT of the mesocolon. Part 2. Pathologic considerations
C Charnsangavej1, R A Dubrow, D G Varma
1Department of Diagnostic Radiology, University of Texas M.D. Anderson Cancer Center, Houston 77030.
Summary
Computed tomography (CT) scans reveal mesocolon anatomy using vessels as landmarks. Understanding this anatomy is key to diagnosing diseases spreading from the colon and pancreas to the mesocolon.
Area of Science:
- Radiology
- Gastrointestinal Anatomy
Background:
- The mesocolon's anatomy is visualized via computed tomography (CT).
- Understanding mesocolon CT anatomy is crucial for diagnosing pathologies.
- Pathologies often involve disease spread from the colon and pancreas.
Purpose of the Study:
- To describe the CT anatomy of the mesocolon using vascular landmarks.
- To illustrate common pathologic conditions and modes of spread involving the mesocolon.
- To emphasize the relationship between mesocolon abnormalities and adjacent organ disease.
Main Methods:
- Utilizing computed tomography (CT) scans to visualize mesocolon anatomy.
- Identifying vascular structures within the mesocolon as key landmarks.
- Demonstrating various pathologic conditions and their spread patterns on CT.
Main Results:
- Mesocolon anatomy is well-defined on CT scans using vascular landmarks.
- Common pathologies include malignant lesions, inflammatory processes, and primary mesocolon tumors.
- Modes of spread include lymphatic, direct extension, and vascular invasion.
Conclusions:
- CT-based mesocolon anatomy provides a framework for understanding disease processes.
- Identifying mesocolon abnormalities prompts evaluation of the colon and pancreas.
- Predicting disease spread pathways is possible with known conditions.