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Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
657
Relationship between inferior mesenteric artery diameter and rectal cancer
Feng Chi1, Shenkang Zhou1, Tienan Bi1
1Department of Gastrointestinal Surgery, Taizhou Hospital of Zhejiang Province, Zhejiang University, Linhai, China.
Archives of Medical Science : AMS
|June 14, 2023
Summary
Rectal cancer patients show enlarged inferior mesenteric arteries (IMA). The IMA diameter increases with higher TNM and T stages, suggesting it may be a useful marker for rectal cancer staging.
Area of Science:
- Radiology
- Oncology
- Vascular Imaging
Background:
- Dilated inferior mesenteric veins are known in rectal cancer.
- Inferior mesenteric artery (IMA) enlargement has not been previously reported in rectal cancer.
Purpose of the Study:
- To investigate the relationship between inferior mesenteric artery (IMA) diameter and rectal cancer.
- To determine if IMA diameter can serve as a marker for rectal cancer staging.
Main Methods:
- Retrospective analysis of 42 rectal cancer patients and 42 controls.
- Independent measurement of IMA diameter on axial CT images by two observers.
Main Results:
- Mean IMA diameter was significantly wider in rectal cancer patients (2.49 mm) than controls (2.20 mm).
- IMA diameter positively correlated with TNM stage (r=0.519) and T stage (r=0.457).
- IMA diameter was significantly larger in patients with M1 disease compared to M0.
Conclusions:
- Inferior mesenteric artery (IMA) diameter increases with advanced TNM and T stages in rectal cancer.
- IMA diameter shows potential as a valuable imaging biomarker for rectal cancer staging.
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