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Related Concept Videos

Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

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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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Computed Tomography01:10

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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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...
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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Related Experiment Video

Updated: Dec 24, 2025

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Updates on Computed Tomography Imaging in Aortic Aneurysms and Dissection.

Ryoichi Tanaka1,2, Kunihiro Yoshioka2, Akihiko Abiko3

  • 1Division of Dental Radiology, Department of Reconstructive Oral and Maxillofacial Surgery, Iwate Medical University, Iwate, Japan.

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Computed tomography (CT) aids in diagnosing aortic diseases like dissection and aneurysm. This review details CT

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Area of Science:

  • Radiology and Medical Imaging
  • Cardiovascular Medicine
  • Diagnostic Imaging Techniques

Background:

  • Computed tomography (CT) is essential for diagnosing aortic diseases due to its minimally invasive nature and speed.
  • Accurate and timely diagnosis is critical for acute aortic conditions, with CT recommended for initial assessment of aortic dissection.
  • Imaging management strategies using CT for chronic aortic conditions differ from those for acute phases.

Purpose of the Study:

  • To differentiate the characteristics and clinical courses of aortic aneurysm and aortic dissection.
  • To explain the application of advanced CT techniques in diagnosing both acute and chronic aortic diseases.
  • To provide a comprehensive overview of CT's role in the imaging management of aortic pathologies.

Main Methods:

  • Review of current literature on CT imaging for aortic diseases.
  • Analysis of differences in presentation and progression between aortic aneurysm and dissection.
  • Explanation of recent advancements in CT technology for aortic disease diagnosis.

Main Results:

  • CT is a versatile tool for both acute and chronic aortic disease diagnosis.
  • Distinct imaging features and clinical trajectories exist for aortic aneurysm versus dissection.
  • Emerging CT techniques enhance diagnostic accuracy for various aortic conditions.

Conclusions:

  • CT plays a pivotal role in the comprehensive management of aortic diseases.
  • Understanding the nuances between aortic aneurysm and dissection is key for appropriate CT application.
  • Recent CT advancements offer improved diagnostic capabilities for short- and long-standing aortic diseases.