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Related Concept Videos

Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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...
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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,...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
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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Updated: May 13, 2026

In vivo Imaging of Tumor Angiogenesis using Fluorescence Confocal Videomicroscopy
05:08

In vivo Imaging of Tumor Angiogenesis using Fluorescence Confocal Videomicroscopy

Published on: September 11, 2013

Imaging in vasculitis.

Wolfgang A Schmidt1

  • 1Immanuel Krankenhaus Berlin, Medical Centre for Rheumatology Berlin-Buch, Lindenberger Weg 19, 13125 Berlin, Germany. w.schmidt@immanuel.de

Best Practice & Research. Clinical Rheumatology
|March 20, 2013
PubMed
Summary
This summary is machine-generated.

Imaging plays a crucial role in diagnosing vasculitis, a condition affecting arteries of all sizes. Advanced imaging techniques help determine disease extent and activity, improving patient diagnosis and understanding of these vascular diseases.

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Last Updated: May 13, 2026

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Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

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Area of Science:

  • Vascular Medicine
  • Radiology
  • Immunology

Background:

  • Vasculitides encompass a group of diseases characterized by inflammation of blood vessels.
  • These conditions can affect arteries of varying sizes, from small to large vessels.
  • Accurate diagnosis and assessment of disease activity are critical for effective management.

Purpose of the Study:

  • To review the role of various imaging modalities in the diagnosis and characterization of vasculitides.
  • To highlight the specific imaging findings associated with small-, medium-, and large-vessel vasculitides.
  • To emphasize how imaging advances have improved the understanding and diagnosis of vasculitis.

Main Methods:

  • Review of imaging findings in small-, medium-, and large-vessel vasculitides.
  • Discussion of techniques including ultrasound, magnetic resonance imaging (MRI), computed tomography (CT), and positron emission tomography (PET).
  • Consideration of conventional angiography's role in therapeutic interventions.

Main Results:

  • Small-vessel vasculitides require imaging of organs like lungs and sinuses to assess disease extent and activity.
  • Aneurysms are characteristic findings in medium-sized artery vasculitides.
  • Large-vessel vasculitis shows features like wall swelling and luminal narrowing, with specific modalities identifying abnormalities in cranial and extracranial arteries.

Conclusions:

  • Imaging is essential for diagnosing vasculitis, assessing disease extension, and monitoring activity.
  • Different imaging modalities provide characteristic features for small-, medium-, and large-vessel vasculitides.
  • Advanced imaging techniques have significantly improved the diagnostic capabilities and understanding of vasculitis.