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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.
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...
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Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed 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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Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

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Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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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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Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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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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Three-Dimensional Microscopy in Microbiology01:28

Three-Dimensional Microscopy in Microbiology

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Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...
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Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature
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CT image visualization: a conceptual introduction.

Bryant Furlow

    Radiologic Technology
    |November 14, 2014
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    Summary
    This summary is machine-generated.

    Computed tomography (CT) postprocessing transforms raw X-ray data into detailed diagnostic images. This review covers CT evolution, visualization techniques, and applications in medical imaging.

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    Area of Science:

    • Medical Imaging
    • Radiology
    • Computer Science

    Background:

    • Computed tomography (CT) postprocessing converts raw X-ray attenuation data into diagnostic images.
    • Technological advancements have significantly evolved CT imaging equipment.
    • Image visualization is crucial for clinical diagnosis and treatment planning.

    Purpose of the Study:

    • To review the technological evolution of CT imaging equipment.
    • To provide a conceptual overview of CT scan data visualization processes.
    • To describe trends and applications of image postprocessing techniques.

    Main Methods:

    • Review of CT imaging equipment history.
    • Conceptual overview of scan data visualization.
    • Description of image postprocessing, segmentation, registration, fusion, and computer-aided detection techniques.

    Main Results:

    • CT postprocessing yields information-rich diagnostic images.
    • Various visualization techniques enhance diagnostic capabilities.
    • Image analysis algorithms are applied in diverse diagnostic imaging applications.

    Conclusions:

    • CT postprocessing significantly aids in diagnosis and treatment.
    • Understanding visualization techniques is key to leveraging CT data.
    • Continued advancements in CT technology and algorithms improve patient care.