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Related Concept Videos

Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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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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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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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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An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
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Imaging in Giant Cell Arteritis.

Asad Khan1, Bhaskar Dasgupta

  • 1Department of Rheumatology, Southend University Hospital NHS Foundation Trust, Prittlewell Chase, Westcliff-on-Sea, Essex, SS0 0RY, UK.

Current Rheumatology Reports
|June 27, 2015
PubMed
Summary
This summary is machine-generated.

Imaging advances aid giant cell arteritis (GCA) diagnosis, especially for unclear cases. Early imaging is crucial for detecting vascular inflammation and guiding treatment before symptoms worsen.

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Area of Science:

  • Rheumatology
  • Vascular Medicine
  • Diagnostic Imaging

Background:

  • Giant cell arteritis (GCA) diagnosis can be challenging, particularly with atypical presentations.
  • Imaging modalities are increasingly vital for confirming GCA and guiding patient management.
  • Early diagnosis is essential to prevent complications like stroke and vision loss.

Purpose of the Study:

  • To review the current role and advancements in imaging techniques for diagnosing and managing GCA.
  • To highlight the utility of various imaging modalities in different GCA presentations.
  • To emphasize the importance of early imaging in GCA assessment.

Main Methods:

  • Review of current literature on imaging in GCA.
  • Discussion of ultrasound (US), magnetic resonance imaging (MRI), computed tomographic angiography (CTA), and positron emission tomography-computed tomography (PET-CT).
  • Focus on visualization of cranial and extracranial large vessel abnormalities.

Main Results:

  • US and MRI effectively visualize cranial and extracranial large vessel wall thickening and stenosis.
  • CTA is useful for detecting aortic aneurysms and vessel wall thickening in GCA.
  • PET-CT is highly sensitive for detecting early vascular inflammation in extracranial GCA, even before structural changes are evident.

Conclusions:

  • Imaging plays a critical role in diagnosing GCA, especially in patients with ambiguous symptoms.
  • Different imaging modalities offer complementary information for GCA assessment.
  • Prompt imaging is recommended early in the diagnostic process, ideally within a fast-track GCA assessment, as treatment can alter imaging findings.