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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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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 V: CT01:28

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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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Related Experiment Video

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Protocol for Indocyanine Green Angiography.

Divin O Baddam1, Sara D Ragi2, Stephen H Tsang3

  • 1Department of Ophthalmology, New York-Presbyterian Hospital, New York, NY, USA. divin.r.baddam@gmail.com.

Methods in Molecular Biology (Clifton, N.J.)
|December 9, 2022
PubMed
Summary

Indocyanine green (ICG) angiography visualizes choroidal circulation to diagnose and monitor retinal diseases. This advanced imaging technique aids in managing conditions like age-related macular degeneration.

Keywords:
AngiographyBlood flowChoroidICGIndocyanine green angiographyMacular degenerationRetina

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Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Cardiovascular Physiology

Background:

  • Indocyanine green (ICG) angiography, approved in 1956, initially measured blood flow and cardiac output.
  • Its application evolved to chorioretinal angiograms in 1969, enhancing diagnostic accuracy.
  • ICG angiography is now a widespread clinical tool for retinal and choroidal diseases.

Purpose of the Study:

  • To highlight the diagnostic and monitoring capabilities of Indocyanine green (ICG) angiography.
  • To emphasize its role in evaluating choroidal circulation for various ocular conditions.
  • To showcase ICG angiography's utility in managing specific diseases like age-related macular degeneration and central serous chorioretinopathy.

Main Methods:

  • Utilizes the intravenous injection of indocyanine green dye.
  • Visualizes choroidal and retinal vasculature through specialized imaging.
  • Evaluates choroidal blood flow dynamics.

Main Results:

  • Accurate visualization of choroidal and retinal abnormalities.
  • Effective diagnosis and monitoring of retinal and choroidal diseases.
  • Identification of occult choroidal neovascularization in age-related macular degeneration.

Conclusions:

  • ICG angiography provides advanced imaging for improved monitoring and treatment of diverse choroidal and retinal diseases.
  • It is a valuable tool for diagnosing and managing inflammatory conditions affecting the retina and choroid.
  • The technique offers enhanced visualization of choroidal circulation, crucial for understanding disease progression.