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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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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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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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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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Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

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Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
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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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Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
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Radiology indispensable for tracking COVID-19.

Jingwen Li1, Xi Long2, Xinyi Wang1

  • 1Department of Neurology, Tongji Medical College, Huazhong University of Science and Technology, Union Hospital, Wuhan, Hubei, China.

Diagnostic and Interventional Imaging
|December 7, 2020
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Radiology and nuclear medicine imaging are crucial for early COVID-19 detection, overcoming limitations of nucleic acid testing. These methods aid in diagnosis, severity assessment, and monitoring treatment effects, especially in children and pregnant women.

Keywords:
Artificial intelligenceCOVID-19Magnetic resonance imagingPositron emission tomography computed tomography.TomographyX-ray computed

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Area of Science:

  • Radiology
  • Nuclear Medicine
  • Infectious Disease Imaging

Background:

  • Nucleic acid testing for SARS-CoV-2 has limitations including time, false negatives, and kit availability.
  • Early detection and isolation are critical for preventing COVID-19 transmission.
  • Imaging technologies offer a vital complementary role in COVID-19 diagnosis and management.

Purpose of the Study:

  • To review the applications of radiology and nuclear medicine in detecting and diagnosing COVID-19.
  • To highlight the importance of imaging in curbing COVID-19 transmission.
  • To consider imaging findings in special populations like children and pregnant women.

Main Methods:

  • Review of current literature on radiological and nuclear medicine imaging for COVID-19.
  • Analysis of chest computed tomography (CT) as a first-line imaging modality.
  • Inclusion of other radiological methods such as chest X-ray, MRI, and PET.

Main Results:

  • Chest CT enables early detection of typical COVID-19 pneumonia manifestations.
  • Imaging facilitates timely estimation of disease severity and therapeutic effects.
  • Various radiological methods demonstrate significant advantages in COVID-19 pneumonia detection.

Conclusions:

  • Radiology and nuclear medicine are essential tools for COVID-19 screening and diagnosis.
  • Effective application of imaging technologies aids in controlling the pandemic.
  • Imaging plays a critical role in managing COVID-19 in diverse patient groups.