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Related Experiment Video

Updated: Jun 8, 2026

Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement
06:33

Construction of a Preclinical Multimodality Phantom Using Tissue-mimicking Materials for Quality Assurance in Tumor Size Measurement

Published on: July 29, 2013

Performance of an automatic dose control system for CT: specifications and basic phantom tests.

H D Nagel1, P Stumpp, T Kahn

  • 1Wissenschaft & Technik für die Radiologie, Buchholz, Germany. drhdnagel@sascrad.de

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|October 13, 2010
PubMed
Summary
This summary is machine-generated.

Quality control phantoms effectively evaluate automatic dose control (ADC) systems in CT scanners. The DoseRight 2.0 system demonstrated expected performance, with moderate noise increases due to its design and adaptive filtration.

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Last Updated: Jun 8, 2026

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06:33

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Published on: July 29, 2013

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
06:20

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition

Published on: March 11, 2021

Area of Science:

  • Medical Imaging Technology
  • Radiological Physics

Background:

  • Automatic Dose Control (ADC) systems are crucial for optimizing radiation exposure in Computed Tomography (CT).
  • Understanding the performance characteristics and limitations of ADC devices is essential for ensuring patient safety and diagnostic image quality.

Purpose of the Study:

  • To evaluate the performance of the Philips DoseRight 2.0 automatic dose control system in Brilliance CT scanners.
  • To provide detailed insights into the characteristics and limitations of this specific ADC device.

Main Methods:

  • A comprehensive study was conducted on the DoseRight 2.0 ADC system using a Philips Brilliance 64-slice CT scanner.
  • Phantom tests were performed with various quality control (QC) phantoms to verify system specifications.
  • Model calculations based on known specifications were used to corroborate phantom test findings where feasible.

Main Results:

  • The dose reduction and modulation characteristics of the DoseRight 2.0 system met all specified values.
  • Adverse effects, such as increased image noise, were moderate due to the system's "adequate noise system" design and adaptive filtration.
  • The gentle modulation approach contributed to managing image noise effectively.

Conclusions:

  • Simple quality control phantom tests are sufficient for evaluating key characteristics of CT ADC devices.
  • The DoseRight 2.0 system performs as expected, with effective management of image noise.
  • This study validates the utility of QC phantoms for assessing ADC performance in CT.