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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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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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Radiological Investigation I: X-ray and CT01:30

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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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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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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Whole-body PET/MRI of Pediatric Patients: The Details That Matter
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Dual-energy computed tomography: pediatric considerations.

Sebastian Gallo-Bernal1,2,3, Valeria Peña-Trujillo1,2,3, Michael S Gee4,5,6

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Summary
This summary is machine-generated.

Dual-energy CT (DECT) offers advanced imaging for pediatric patients, enabling awake scans with lower radiation doses. This technique enhances diagnostic information and improves patient outcomes in various pediatric applications.

Keywords:
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Area of Science:

  • Radiology
  • Medical Imaging
  • Pediatric Imaging

Background:

  • Multidetector computed tomography (CT) is integral to modern radiology.
  • Advancements in CT technology have improved image quality and speed.
  • Concerns about radiation risks in children and MRI under anesthesia drive interest in low-dose pediatric CT.

Purpose of the Study:

  • To explore the role of dual-energy CT (DECT) in pediatric imaging.
  • To highlight DECT's technical aspects, including hardware and reconstruction methods.
  • To review DECT's clinical applications and benefits in pediatric patients.

Main Methods:

  • Discussion of DECT technical foundations and hardware configurations.
  • Explanation of various reconstruction techniques.
  • Review of advanced post-processing methods like material decomposition and virtual monoenergetic imaging.

Main Results:

  • DECT provides enhanced diagnostic information.
  • DECT facilitates further radiation dose reduction.
  • DECT enables faster scan times, crucial for pediatric imaging.

Conclusions:

  • DECT is a promising tool in pediatric radiology.
  • Advanced DECT techniques improve diagnostic accuracy and patient outcomes.
  • DECT has significant clinical applications in pediatric pulmonary, cardiovascular, and oncologic imaging.