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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 for Cardiovascular System V: CT01:28

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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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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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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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Whole-body PET/MRI of Pediatric Patients: The Details That Matter
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Dual-source computed tomography protocols for the pediatric chest - scan optimization techniques.

Jordan B Rapp1,2, Victor M Ho-Fung3,4, Karen I Ramirez3

  • 1Department of Radiology, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA, 19104, USA. rappj@chop.edu.

Pediatric Radiology
|August 10, 2022
PubMed
Summary
This summary is machine-generated.

Dual-source CT scanners offer low-dose, fast pediatric chest imaging with dual-energy benefits. Optimizing these advanced CT scan modes is key for diagnostic quality and reduced radiation exposure.

Keywords:
ChestChildrenComputed tomographyDual energyDual sourceMetal reductionUltra-high pitch

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Area of Science:

  • Radiology
  • Medical Imaging
  • Pediatric Imaging

Background:

  • Computed tomography (CT) is the gold standard for pediatric chest imaging.
  • Minimizing radiation dose and motion artifacts is crucial for pediatric CT scans.
  • Anesthesia-free, non-sedated options are preferred for pediatric imaging due to risks and costs.

Purpose of the Study:

  • To discuss the benefits and tradeoffs of dual-source CT scan modes for pediatric chest imaging.
  • To provide tips on optimizing image quality in dual-source CT scans.
  • To highlight the advantages of dual-energy techniques in pediatric CT.

Main Methods:

  • Utilizing dual-source CT scanners with ultra-high-pitch mode for sub-second scans.
  • Employing dual-energy techniques to acquire additional data.
  • Comparing high-pitch flash mode with dual-energy capabilities.

Main Results:

  • Dual-source CTs provide the fastest, lowest-dose scanning options.
  • Dual-energy technique offers enhanced information like pulmonary blood volume and artifact reduction.
  • Sub-second scan times minimize motion degradation in pediatric patients.

Conclusions:

  • Dual-source CT technology offers significant advantages for pediatric chest imaging.
  • Balancing speed, dose, and diagnostic information through mode optimization is essential.
  • Dual-energy capabilities on dual-source CTs provide valuable data beyond standard high-pitch modes.