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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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...
Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...

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Longitudinal Morphological and Physiological Monitoring of Three-dimensional Tumor Spheroids Using Optical Coherence Tomography
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Optical coherence tomography: from research to practice.

Juan Luis Gutiérrez-Chico1, Eduardo Alegría-Barrero, Rodrigo Teijeiro-Mestre

  • 1Institute for Cardiovascular Translational Research of the Atlantic, Vigo (Pontevedra), Spain.

European Heart Journal. Cardiovascular Imaging
|February 15, 2012
PubMed
Summary
This summary is machine-generated.

Optical coherence tomography (OCT) is a versatile imaging tool now used clinically in cardiology. It aids in assessing coronary artery disease severity, guiding stenting, and evaluating outcomes, potentially replacing intravascular ultrasound.

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Area of Science:

  • Cardiovascular Imaging
  • Medical Technology
  • Interventional Cardiology

Background:

  • Optical coherence tomography (OCT) is a high-resolution imaging modality.
  • Historically, OCT served primarily as a research tool in cardiology for plaque characterization and post-stent healing assessment.
  • Advancements, particularly frequency domain analysis, have enhanced OCT's practicality and clinical utility.

Purpose of the Study:

  • To review the evolving clinical applications of OCT in cardiology.
  • To highlight OCT's role in assessing coronary artery disease.
  • To discuss OCT as a potential alternative to intravascular ultrasound for clinical decision-making.

Main Methods:

  • Review of current literature and clinical practices involving OCT in cardiology.
  • Discussion of OCT's capabilities in lesion severity assessment.
  • Examination of OCT's utility in acute coronary syndromes and stenting procedures.

Main Results:

  • OCT is increasingly applied in diverse clinical cardiology scenarios.
  • Frequency domain OCT simplifies application, making it a viable alternative to intravascular ultrasound in specific cases.
  • OCT provides valuable insights for lesion assessment, acute coronary syndrome characterization, stenting guidance, and long-term outcome evaluation.

Conclusions:

  • OCT has transitioned from a research tool to a clinically applicable imaging technique in cardiology.
  • OCT offers significant advantages for intracoronary imaging, decision-making, and procedural guidance.
  • The review underscores OCT's expanding role in managing coronary artery disease.