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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 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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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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Imaging Biological Samples with Optical Microscopy01:18

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Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

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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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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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Updated: Nov 9, 2025

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
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Micro Optical Coherence Tomography for Coronary Imaging.

Kensuke Nishimiya1,2, Guillermo Tearney1,3,4

  • 1Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, United States.

Frontiers in Cardiovascular Medicine
|April 12, 2021
PubMed
Summary
This summary is machine-generated.

Micro-OCT (μOCT) offers higher resolution imaging for assessing cellular details in coronary atherosclerotic plaques. This advanced intravascular imaging technology enhances understanding of plaque development and healing after treatment.

Keywords:
cholesterol crystalsendothelial cellsinflammatory cellsmacrophage—cellmicro-OCTnecrotic coreoptical coherence tomographyplaque erosion

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Area of Science:

  • Cardiovascular Imaging
  • Biomedical Optics
  • Pathology

Background:

  • Intravascular optical coherence tomography (IVOCT) provides 10 μm resolution for coronary morphology.
  • Key features of coronary plaque pathogenesis are only visible at the cellular level.
  • Limitations of IVOCT necessitate higher-resolution imaging techniques.

Purpose of the Study:

  • To review advances in micro-OCT (μOCT) for assessing cellular and subcellular morphology of coronary atherosclerotic plaques.
  • To highlight the potential of μOCT in cardiology research and clinical practice.
  • To discuss the application of μOCT in understanding atherosclerosis and post-revascularization healing.

Main Methods:

  • Review of recent advances and ongoing work in micro-OCT technology.
  • Focus on μOCT's capability for cellular and subcellular imaging of atherosclerotic plaques.
  • Application of μOCT in the context of coronary artery disease.

Main Results:

  • Micro-OCT (μOCT) enables visualization of cellular and subcellular details in human coronary atherosclerotic plaques.
  • μOCT represents a significant advancement over traditional IVOCT for plaque analysis.
  • Ongoing research demonstrates the utility of μOCT in cardiovascular applications.

Conclusions:

  • Micro-OCT is a promising next-generation imaging technology for cardiology.
  • μOCT can improve understanding of coronary atherosclerosis natural history.
  • This technology may enhance plaque progression prediction and assessment of vessel healing post-revascularization.