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Related Concept Videos

Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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 the...
X-ray Imaging01:24

X-ray Imaging

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 X-rays, and by 1900, X-ray was widely...
Positron Emission Tomography01:29

Positron Emission Tomography

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.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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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Updated: Jun 17, 2026

Guidelines and Experience Using Imaging Biomarker Explorer (IBEX) for Radiomics
10:17

Guidelines and Experience Using Imaging Biomarker Explorer (IBEX) for Radiomics

Published on: January 8, 2018

Evidence-based radiology: why and how?

Francesco Sardanelli1, Myriam G Hunink, Fiona J Gilbert

  • 1Dipartimento di Scienze Medico-Chirurgiche, Unità di Radiologia, IRCCS Policlinico San Donato, Università degli Studi di Milano, Via Morandi 30, 20097 San Donato Milanese, Milan, Italy. f.sardanelli@grupposandonato.it

European Radiology
|January 14, 2010
PubMed
Summary
This summary is machine-generated.

Evidence-based radiology (EBR) enhances patient outcomes by shifting focus from imaging capabilities to treatment planning and patient results. Adoption of rigorous EBR principles is recommended for the European radiological community.

Related Experiment Videos

Last Updated: Jun 17, 2026

Guidelines and Experience Using Imaging Biomarker Explorer (IBEX) for Radiomics
10:17

Guidelines and Experience Using Imaging Biomarker Explorer (IBEX) for Radiomics

Published on: January 8, 2018

Area of Science:

  • Radiology
  • Evidence-Based Medicine
  • Health Technology Assessment

Background:

  • Evidence-based medicine (EBM) principles are increasingly vital in clinical practice.
  • Radiology faces unique challenges in adopting EBM, termed evidence-based radiology (EBR).
  • The shift is from demonstrating imaging prowess to proving impact on patient outcomes.

Purpose of the Study:

  • To provide an overview of EBM in radiology.
  • To define a policy for adopting EBM in the European radiological community.
  • To highlight the importance of evidence-based radiology (EBR).

Main Methods:

  • Review of EBM definitions and approaches (top-down, bottom-up).
  • Analysis of evidence-based radiology (EBR) features and limitations.
  • Description of health technology assessment, bias in diagnostic studies, and evidence-rating systems (e.g., Oxford, GRADE).

Main Results:

  • EBR requires a focus on treatment planning and patient outcomes, not just imaging.
  • The "as low as reasonably achievable" (ALARA) principle is a key dimension of EBR.
  • EBR should be integrated into radiology residency curricula.
  • Health technology assessment processes and bias in diagnostic studies were detailed.
  • Levels of evidence and recommendations using Oxford and GRADE systems were presented.

Conclusions:

  • Adopting a rigorous, evidence-based approach will significantly improve radiological practice.
  • The European Society of Radiology (ESR) is encouraged to take action to promote EBR.
  • Implementing EBR principles promises substantial benefits for patient care and radiological services.