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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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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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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.
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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
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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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Related Experiment Video

Updated: Dec 25, 2025

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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[Swept source optical coherence tomography: a technology review].

N S Semenova1, A V Larichev2, V S Akopyan1

  • 1Lomonosov Moscow State University, Department of Ophthalmology, Faculty of Fundamental Medicine, 27-1 Lomonosovskiy av., Moscow, Russian Federation, 119991.

Vestnik Oftalmologii
|April 4, 2020
PubMed
Summary
This summary is machine-generated.

Swept Source Optical Coherence Tomography (SS-OCT) is a key imaging technology. This review covers its history, modern uses, and the pros and cons of SS-OCT methods.

Keywords:
OCTOCT-Aoptical coherence tomography angiographyspectral-domain optical coherence tomographyswept source optical coherence tomography

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Area of Science:

  • Biomedical Optics
  • Medical Imaging Technology

Background:

  • Optical Coherence Tomography (OCT) is a crucial non-invasive imaging modality.
  • Advancements in light source technology have driven the evolution of OCT.

Purpose of the Study:

  • To review the fundamental principles of Swept Source Optical Coherence Tomography (SS-OCT).
  • To provide historical context and discuss the implementation of SS-OCT in commercial systems.
  • To analyze the advantages and disadvantages of the SS-OCT technique.

Main Methods:

  • Literature review of SS-OCT technology.
  • Analysis of historical development and commercial applications.
  • Comparative assessment of SS-OCT performance characteristics.

Main Results:

  • SS-OCT utilizes tunable light sources for enhanced imaging depth and speed.
  • Commercial SS-OCT systems offer significant improvements over previous OCT generations.
  • Key advantages include faster acquisition and deeper penetration, while disadvantages may involve cost and complexity.

Conclusions:

  • SS-OCT represents a significant advancement in OCT technology.
  • Understanding its benefits and limitations is crucial for its effective clinical and research application.
  • Future developments are expected to further refine SS-OCT capabilities.