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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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Positron Emission Tomography01:29

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
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Properties of Enantiomers and Optical Activity02:24

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It is essential to understand the difference between chiral and achiral interactions and the implications thereof in optical activity and their applications. Just as our feet, which are chiral, interact uniquely with chiral objects, such as a pair of shoes, but identically with achiral socks, enantiomers of a molecule exhibit different properties only when they interact with other chiral media. An example of a significant implication from this facet is the phenomenon known as optical activity,...
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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 II: Positron Emission Tomography and Scintigraphy01:25

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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Electron Microscope Tomography and Single-particle Reconstruction01:07

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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.
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Intraoperative Ultrasound in Spinal Surgery
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Intraoperative Optical Coherence Tomography in Vitreoretinal Surgery.

Cindy Ung1, John B Miller1

  • 1a Retina Service, Massachusetts Eye and Ear, Department of Ophthalmology , Harvard Medical School , Boston , MA , USA.

Seminars in Ophthalmology
|June 27, 2019
PubMed
Summary

Intraoperative optical coherence tomography (iOCT) provides real-time surgical imaging. This technology enhances understanding of tissue changes during vitreoretinal surgery, aiding surgical decisions.

Keywords:
Intraoperative OCTOCTiOCTintraoperative optical coherence tomographyoptical coherence tomography

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Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Surgical Technology

Background:

  • Intraoperative optical coherence tomography (iOCT) is an emerging imaging technique.
  • OCT provides real-time visualization during surgical procedures.

Purpose of the Study:

  • To review current iOCT modalities.
  • To discuss the clinical applications of iOCT in surgery.

Main Methods:

  • Literature review of iOCT technologies.
  • Analysis of clinical case studies utilizing iOCT.

Main Results:

  • iOCT offers real-time OCT imaging during surgery.
  • Improved understanding of intraoperative tissue alterations.
  • Potential impact on surgical decision-making.

Conclusions:

  • iOCT is a valuable tool in vitreoretinal surgery.
  • Further research into iOCT applications is warranted.