Related Experiment Video

Updated: Aug 8, 2026

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit
07:04

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit

Published on: April 15, 2021

Isolated common iliac artery aneurysm rupturing into small bowel: CT appearance

H M Noh1, E K Fishman, D A Bluemke

  • 1Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA.

Abdominal Imaging
|November 1, 1995
PubMed

Insights

An isolated common iliac artery aneurysm forming a fistulous tract with the terminal ileum was diagnosed using dynamic computed tomography (CT). This case highlights CT

Area of Science:

  • Vascular Surgery
  • Radiology
  • Gastroenterology

Background:

  • Arterioenteric fistulas are rare but life-threatening complications.
  • Aneurysms of the iliac artery can erode into adjacent bowel segments.

Observation:

  • A case of an isolated common iliac artery aneurysm presenting with a fistulous communication to the terminal ileum is detailed.
  • Dynamic computed tomography (CT) was utilized as the primary diagnostic modality.
  • The CT findings revealed a direct connection between the aneurysm and the small bowel.

Findings:

  • The study successfully diagnosed an uncommon arterioenteric fistula involving the common iliac artery and terminal ileum.
  • Dynamic CT provided clear visualization of the fistulous tract, confirming the diagnosis.
  • This highlights the efficacy of CT in identifying complex vascular-enteric communications.

Implications:

  • Accurate and timely diagnosis of arterioenteric fistulas is crucial for patient survival.
  • Dynamic CT should be considered a valuable tool in the diagnostic workup of suspected arterioenteric fistulas, particularly in cases involving iliac artery aneurysms.
  • Understanding the role of CT in diagnosing such rare conditions can improve clinical management and patient outcomes.

More Related Videos

Multimodality Diagnosis of Mesenteric Ischemia05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm04:56

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm

Published on: August 1, 2025

Related Concept Videos

Abdominal Aorta01:25

Abdominal Aorta

Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
The celiac trunk, a singular artery, divides into the left gastric artery, which...
Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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...
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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...
Intestinal Obstruction II: Pathophysiology01:07

Intestinal Obstruction II: Pathophysiology

Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...