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Related Concept Videos

Computed Tomography01:10

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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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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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Longitudinal Morphological and Physiological Monitoring of Three-dimensional Tumor Spheroids Using Optical Coherence Tomography
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Current status of optical coherence tomography.

Shigenobu Inami1, Zuoyan Wang, Zhang Ming-Juan

  • 1Division of Cardiology, Department of Internal Medicine, Nippon Medical School, Tokyo, Japan, sigenobu@nms.ac.jp.

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Optical coherence tomography (OCT) offers high-resolution, real-time imaging of the vessel wall, surpassing current methods. This technology aids in characterizing plaque microstructure and understanding atherosclerosis progression for improved coronary management.

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Area of Science:

  • Cardiovascular Imaging
  • Biomedical Optics

Background:

  • Intravascular ultrasound is the primary intra-coronary imaging modality.
  • There is a need for higher resolution imaging to characterize vessel wall microstructure.

Purpose of the Study:

  • To highlight the capabilities of Optical Coherence Tomography (OCT) for intravascular imaging.
  • To compare OCT with existing intravascular imaging modalities.
  • To discuss the potential clinical and research applications of OCT in cardiology.

Main Methods:

  • Utilizes low-coherence interferometry with near-infrared light for real-time imaging.
  • Provides cross-sectional, in-situ visualization of the vessel wall at microscopic resolution.
  • Next-generation frequency-domain OCT enhances imaging procedures.

Main Results:

  • OCT offers 10-fold higher resolution compared to intravascular ultrasound.
  • Enables precise characterization of plaque microstructure and plaque types.
  • Facilitates assessment of neointimal coverage, vascular healing, and atherosclerosis progression post-stenting.

Conclusions:

  • OCT is a powerful tool for detailed coronary vasculature assessment.
  • Its high resolution and imaging capabilities can guide coronary management and interventions.
  • Advancements in OCT technology promise broader clinical and research utility for cardiologists.