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Updated: Jan 14, 2026
05:07
Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
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Aortic Dissection Complicated With Superior Mesenteric Artery Aneurysm.
1Department of Cardiovascular Surgery Shizuoka Medical Center Shizuoka Japan.
Clinical Case Reports
|October 24, 2025
Summary
A rare case of acute type B aortic dissection, also known as intramural hematoma, complicated by a superior mesenteric artery aneurysm is presented. Shared underlying causes may link these two serious vascular conditions.
Area of Science:
- Cardiovascular Medicine
- Vascular Surgery
- Diagnostic Imaging
Background:
- Acute type B aortic dissection is a serious cardiovascular emergency.
- Superior mesenteric artery aneurysms are rare but can lead to life-threatening complications.
- The simultaneous occurrence of these conditions is exceptionally uncommon.
Purpose of the Study:
- To report a unique case of acute type B aortic dissection with concurrent superior mesenteric artery aneurysm.
- To explore potential shared etiologies between aortic dissection and mesenteric artery aneurysms.
- To highlight the importance of considering multiple vascular pathologies in complex cases.
Main Methods:
- Case report detailing clinical presentation, diagnostic imaging (e.g., CT angiography), and management.
- Review of relevant literature on aortic dissection and mesenteric artery aneurysms.
- Pathophysiological discussion on potential common underlying mechanisms.
Main Results:
- Successful diagnosis and management of a patient with coexisting acute type B aortic dissection and superior mesenteric artery aneurysm.
- Identification of potential shared risk factors and etiological pathways, such as connective tissue disorders or inflammatory processes.
- Demonstration of the diagnostic utility of advanced imaging in complex vascular emergencies.
Conclusions:
- The coexistence of acute type B aortic dissection and superior mesenteric artery aneurysm, though rare, warrants consideration.
- Shared etiological factors may underlie the development of both conditions.
- Comprehensive vascular evaluation is crucial in patients presenting with complex aortic pathologies.
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