[Imaging of the aorta]

Patricia Chemla1, Hervé Rousseau, Philippe Otal

  • 1Service central de radiologie Centre hospitalier universitaire Hôpital de Rangueil 31403 Toulouse.

La Revue Du Praticien
|July 11, 2002
PubMed

Insights

Advanced imaging techniques like helical computed tomography and magnetic resonance imaging enhance the diagnosis of diverse aortic diseases. This review details imaging features for conditions such as aneurysms, dissections, and arteritis.

Area of Science:

  • Radiology
  • Cardiovascular Imaging
  • Medical Diagnostics

Context:

  • Recent advancements in helical computed tomography (CT) and magnetic resonance imaging (MRI) have significantly improved aortic imaging.
  • A comprehensive understanding of aortic pathologies is crucial for effective patient management.

Purpose:

  • To delineate the typical imaging features of various aortic diseases using modern modalities.
  • To discuss the optimal role of different imaging techniques for specific aortic conditions.

Summary:

  • Helical CT and MRI provide detailed visualization of the aorta, aiding in the diagnosis of dissections, aneurysms, rupture, atherosclerosis, arteritis, coarctation, and postoperative changes.
  • The report outlines characteristic findings for each condition, facilitating accurate diagnosis and treatment planning.
  • Integration of imaging findings with clinical presentation is emphasized for comprehensive aortic disease assessment.

Impact:

  • Enhanced diagnostic accuracy for a wide spectrum of aortic diseases.
  • Improved selection of appropriate imaging modalities based on suspected pathology.
  • Potential for earlier detection and more effective management of critical aortic conditions.

Related Concept Videos

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...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
Thoracic Aorta01:15

Thoracic Aorta

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,...
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...
The Aorta01:14

The Aorta

The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...
The Arch of Aorta01:10

The Arch of Aorta

The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...