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Related Concept Videos

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.
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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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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 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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Related Experiment Video

Updated: Mar 10, 2026

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
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Quality indicators in the intensity modulated/image-guided radiotherapy era.

P Gabriele1, A Maggio2, E Garibaldi1

  • 1Radiotherapy Department of the Candiolo Cancer Center-FPO-, IRCCS, Candiolo, Turin, Italy.

Critical Reviews in Oncology/Hematology
|December 10, 2016
PubMed
Summary

New Quality Indicators (QIs) for Intensity Modulated Radiotherapy (IMRT) and Image-Guided Radiotherapy (IGRT) were developed and tested. These QIs can effectively measure workload and service performance in radiotherapy centers.

Keywords:
IMRT/IGRTQuality assuranceQuality indicators

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Area of Science:

  • Radiation Oncology
  • Medical Physics
  • Radiotherapy Technology

Background:

  • Intensity Modulated Radiotherapy (IMRT) and Image-Guided Radiotherapy (IGRT) are advanced techniques requiring robust quality assessment.
  • Existing quality indicators may not fully capture the complexities of IMRT/IGRT implementation and delivery.

Purpose of the Study:

  • To propose and validate new Quality Indicators (QIs) specifically designed for Intensity Modulated Radiotherapy (IMRT) and Image-Guided Radiotherapy (IGRT) techniques.
  • To establish a framework for evaluating the quality of care in advanced radiotherapy settings.

Main Methods:

  • A multidisciplinary working group developed structure, process, and outcome QIs.
  • Indicators were selected based on critical issues and tested in four Italian Radiotherapy Centers (Validation Centers).

Main Results:

  • Fourteen QIs were proposed, including seven novel indicators and new standards for four existing ones.
  • The developed QIs were applied in the validation centers, demonstrating feasibility and utility.
  • One center encountered an issue with a specific indicator, highlighting areas for refinement.

Conclusions:

  • The proposed Quality Indicators offer valuable metrics for assessing workload and service performance in IMRT/IGRT.
  • These QIs can contribute to standardizing and improving the quality of advanced radiotherapy services.