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Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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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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Imaging Studies VII: Vascular Imaging01:19

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Imaging Studies for Cardiovascular System IV: CMRI01:21

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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Imaging Studies III: Computed Tomography01:27

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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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Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
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An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
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Carotid Imaging: Current Concepts and Advanced Imaging.

Luca Saba1, Alessandro Pinna1, Jasjit S Suri2,3,4,5

  • 1Department of Radiology, Azienda Ospedaliero-Universitaria di Cagliari, Cagliari, Italy.

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Summary
This summary is machine-generated.

Carotid atherosclerosis management is shifting from stenosis severity to plaque biology. Advanced imaging techniques and artificial intelligence offer precise stroke risk stratification and personalized prevention strategies.

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Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Radiology

Background:

  • Carotid atherosclerosis is a primary cause of ischemic stroke.
  • Traditional management relies on luminal stenosis, which doesn't fully capture plaque vulnerability.
  • Plaque characteristics like intraplaque hemorrhage (IPH) and inflammation significantly impact stroke risk.

Purpose of the Study:

  • To review advances in multimodal imaging for carotid plaque phenotyping.
  • To highlight the role of novel imaging biomarkers in stroke risk stratification.
  • To discuss the integration of imaging, AI, and molecular biology for precision stroke prevention.

Main Methods:

  • Review of current and emerging imaging modalities including ultrasound, CTA, MRI, PCCT, and PET.
  • Discussion of advanced techniques like contrast-enhanced ultrasound, radiomics, and AI.
  • Exploration of standardized reporting frameworks like Plaque-Reporting and Data System.

Main Results:

  • Multimodal imaging provides comprehensive morphological and biological plaque information.
  • MRI is key for IPH detection; CTA and PCCT enhance tissue characterization.
  • PET tracers assess inflammatory and calcification pathways; AI and radiomics improve risk stratification.

Conclusions:

  • Imaging is evolving from lumen quantification to detailed plaque phenotyping.
  • Multimodal imaging, AI, and molecular data are crucial for personalized stroke prevention.
  • Future carotid imaging aims for precision medicine to optimize patient outcomes.