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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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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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Radiation: Applications01:17

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The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
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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.
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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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X-ray Imaging01:24

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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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Quantitative radiology: applications to oncology.

Edward H Herskovits1

  • 1Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland, Baltimore, Maryland, USA.

Advances in Cancer Research
|October 8, 2014
PubMed
Summary

Quantitative imaging methods are crucial in oncology for assessing tumor burden and disease-free survival. Advanced imaging techniques like CT, MRI, and PET scans provide vital data for patient care and cancer research.

Keywords:
CTData miningImage registrationImage segmentationMRMolecular imagingOncologyQuantitative radiology

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Area of Science:

  • Oncology
  • Medical Imaging
  • Quantitative Analysis

Background:

  • Computed tomography (CT), magnetic resonance (MR), and positron emission tomography (PET) imaging are integral to modern oncology.
  • Sophisticated noninvasive methods for delineating and characterizing neoplasms have increased the importance of image data.
  • The growing complexity and volume of oncologic imaging data necessitate advanced analytical approaches.

Purpose of the Study:

  • To highlight the central role of quantitative imaging in oncology.
  • To underscore the need for quantitative methods in assessing tumor burden.
  • To link quantitative imaging analysis to disease-free survival prediction.

Main Methods:

  • Collection and analysis of CT, MR, and PET imaging data.
  • Development of quantitative methods for tumor burden assessment.
  • Utilizing imaging data for patient care, clinical trials, and cancer biology research.

Main Results:

  • Quantitative imaging plays a pivotal role in oncology.
  • Advanced imaging techniques enable precise tumor characterization.
  • Quantitative assessment of tumor burden serves as a proxy for disease-free survival.

Conclusions:

  • Quantitative imaging analysis is essential for effective cancer management and research.
  • The integration of quantitative methods enhances the utility of medical imaging in oncology.
  • Accurate tumor burden assessment through imaging impacts prognosis and survival outcomes.