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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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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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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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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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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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Guidelines and Experience Using Imaging Biomarker Explorer IBEX for Radiomics
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Emerging methods in radiology.

B Theek1,2, T Nolte1, D Pantke1

  • 1Institute for Experimental Molecular Imaging, Medical Faculty, RWTH Aachen International University, Forckenbeckstraße 55, 52074, Aachen, Germany.

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Summary
This summary is machine-generated.

Advancements in medical imaging, including computed tomography (CT), magnetic resonance imaging (MRI), and positron emission tomography (PET), offer enhanced diagnostic capabilities. Future innovations promise improved sensitivity, quantitative analysis, and integrated diagnostics for personalized medicine.

Keywords:
BiomarkerDeep learningDiagnostic imagingMolecular imagingRadiomics

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Area of Science:

  • Radiology and Medical Imaging
  • Biomedical Engineering
  • Diagnostic Technologies

Background:

  • Recent decades have seen rapid advancements in imaging modalities, significantly influencing diagnostic capabilities.
  • Improved resolution, faster acquisition, and functional/molecular imaging provide groundbreaking insights into tissue pathophysiology.
  • Current research focuses on enhancing device/contrast media applications, sensitivity, and quantitative value.

Purpose of the Study:

  • To provide an overview of technological innovations poised to enhance future clinical imaging.
  • To highlight emerging diagnostic options stemming from these technological advancements.
  • To discuss the clinical introduction of radiomic image evaluation, including its opportunities and challenges.

Main Methods:

  • Review of established imaging methods (CT, MRI, ultrasound, PET, SPECT).
  • Exploration of novel imaging techniques like magnetic particle imaging (MPI), optical imaging, and photoacoustics.
  • Discussion of advanced data processing, multiparametric analysis, and integrated diagnostics.

Main Results:

  • Technological innovations are expanding the application scope of imaging devices and contrast agents.
  • New methods improve sensitivity, quantitative accuracy, and multiparametric data analysis.
  • Radiomics offers new avenues for image evaluation, though clinical integration requires further development.

Conclusions:

  • Future imaging technologies will enable a more detailed understanding of pathophysiological relationships at both whole-body and tissue levels.
  • Enhanced imaging will facilitate better drug efficacy assessment, patient preselection for therapies, and improved treatment monitoring.
  • The integration of interdisciplinary diagnostics will significantly transform and enrich the field of radiology.