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Related Concept Videos

Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Anastomoses01:19

Anastomoses

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In human anatomy, anastomosis refers to a connection or opening between two things, particularly between blood vessels or other tubular structures. The term is derived from the Greek term 'anastomosis,' which means 'outlet' or 'opening.' This natural network of connections plays a critical role in the survival and functionality of the human body.
Anastomoses can be formed at arterial, venous, and lymphatic vessels.
Arterial Anastomosis: These occur between arteries. They...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Thoracic Aorta01:15

Thoracic Aorta

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The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...
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Aortic Regurgitation I: Introduction01:15

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IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
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Related Experiment Video

Updated: Apr 12, 2026

Technical Aspects of the Mouse Aortocaval Fistula
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Aortoenteric fistula.

Umberto G Rossi1, Maurizio Cariati1

  • 1Division Radiology and Interventional Radiology, Department of Diagnostic Sciences, San Carlo Borromeo Hospital, Via Pio II, 3, Milano 20153, Italy.

Journal of Cardiovascular Computed Tomography
|May 11, 2015
PubMed
Summary
This summary is machine-generated.

Aortoenteric fistula is a rare condition. Direct contrast extravasation into the ileum during CT imaging aids early diagnosis for prompt surgical intervention and patient survival.

Keywords:
aortaaortoenteric fistulacomputed tomographypenetrating atherosclerotic ulcer

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Area of Science:

  • Gastroenterology
  • Vascular Surgery
  • Radiology

Background:

  • Aortoenteric fistula (AEF) is a rare but life-threatening condition.
  • Early diagnosis and prompt surgical intervention are critical for patient survival.
  • Imaging plays a pivotal role in identifying AEF.

Observation:

  • This case report details an AEF identified during a Multi-Detector Computed Tomography (MDCT) scan.
  • The MDCT scan revealed direct contrast extravasation from the abdominal aorta into an ileal loop.
  • This finding highlights the diagnostic capabilities of MDCT in AEF.

Findings:

  • MDCT successfully visualized the aortoenteric communication.
  • Direct contrast extravasation into the small bowel lumen was the key diagnostic finding.
  • This imaging finding facilitated rapid diagnosis.

Implications:

  • MDCT is a valuable tool for the early diagnosis of AEF.
  • Prompt identification of contrast extravasation can lead to timely surgical management.
  • Improved diagnostic accuracy can enhance patient outcomes in rare vascular emergencies.