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Related Experiment Video

Updated: Jul 7, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

Dose-image quality study in digital chest radiography using Monte Carlo simulation.

S C A Correa¹, E M Souza, A X Silva

¹[Programa de Engenharia Nuclear]/COPPE, Universidade Federal do Rio de Janeiro, Ilha do Fundão, 21945-970 Rio de Janeiro, RJ, Brazil.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine

|March 1, 2008

Summary

Lowering tube voltage in digital chest radiography improves image quality and reduces patient dose. This study used Monte Carlo simulations to analyze dose and image quality variations with tube voltage, finding optimal settings for computed radiography systems.

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Last Updated: Jul 7, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

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Published on: September 11, 2011

Expedited Radiation Biodosimetry by Automated Dicentric Chromosome Identification (ADCI) and Dose Estimation

Expedited Radiation Biodosimetry by Automated Dicentric Chromosome Identification (ADCI) and Dose Estimation

Published on: September 4, 2017

Area of Science:

Medical physics
Diagnostic radiology
Radiological imaging

Background:

Patient dose reduction is a key concern in diagnostic radiology.
Optimizing imaging parameters is crucial for balancing image quality and radiation exposure.

Purpose of the Study:

To investigate the impact of varying tube voltage on image quality and patient dose in digital chest radiography.
To determine optimal imaging parameters for computed radiography (CR) systems using an air-gap technique.

Main Methods:

Monte Carlo simulations utilizing the MCNPX code.
Employing an adult female voxel model (FAX).
Simulations focused on digital chest radiography with a computed radiography system and air-gap technique, varying tube voltage from 80-150 kV.

Main Results:

Image quality in chest radiography using an imaging plate system improved at lower tube voltages.
Patient dose was reduced at lower tube voltages when normalized to a fixed entrance skin exposure (ESE).

Conclusions:

Lowering tube voltage is an effective strategy for enhancing image quality while minimizing patient dose in digital chest radiography.
The findings provide valuable insights for optimizing radiation safety and diagnostic accuracy in computed radiography.