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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...
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An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta
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Published on: September 8, 2023

Aortoenteric fistulas: CT features and potential mimics.

Quan D M Vu1, Christine O Menias, Sanjeev Bhalla

  • 1Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110, USA.

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|January 27, 2009
PubMed
Summary

Prompt diagnosis of aortoenteric fistulas is crucial for survival. Computed tomography (CT) is the preferred imaging method, but radiologists must recognize specific CT findings and potential mimics for accurate diagnosis.

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Technical Aspects of the Mouse Aortocaval Fistula
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An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta
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Technical Aspects of the Mouse Aortocaval Fistula
06:12

Technical Aspects of the Mouse Aortocaval Fistula

Published on: July 11, 2013

Area of Science:

  • Radiology
  • Gastroenterology
  • Vascular Surgery

Background:

  • Aortoenteric fistulas are rare but life-threatening conditions.
  • Clinical presentation can be nonspecific or occult, necessitating advanced imaging.
  • Accurate diagnosis is critical for timely intervention and improved patient outcomes.

Purpose of the Study:

  • To highlight the importance of prompt diagnosis of aortoenteric fistulas.
  • To discuss the role of computed tomography (CT) in diagnosing aortoenteric fistulas.
  • To familiarize radiologists with CT findings and mimics of aortoenteric fistulas.

Main Methods:

  • Review of computed tomography (CT) imaging features of aortoenteric fistulas.
  • Discussion of differential diagnoses and mimics of aortoenteric fistulas.
  • Emphasis on key CT findings suggestive of aortoenteric fistula.

Main Results:

  • Computed tomography (CT) is the imaging modality of choice for suspected aortoenteric fistulas due to availability and efficiency.
  • CT demonstrates variable sensitivity and specificity for diagnosing aortoenteric fistulas.
  • Specific CT findings like ectopic gas and contrast extravasation aid in diagnosis.

Conclusions:

  • Radiologists must be adept at interpreting CT scans for aortoenteric fistulas.
  • Familiarity with mimics such as retroperitoneal fibrosis and infected aneurysms is essential.
  • Characteristic CT findings can reliably differentiate aortoenteric fistulas from other conditions.