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Portrait of Anders Tingberg. Photo

Anders Tingberg

Associate professor

Portrait of Anders Tingberg. Photo

The Influence of Different Technique Factors on Image Quality for Chest Radiographs: Application of the Recent CEC Image Quality Criteria

Author

  • B. Lanhede
  • Anders Tingberg
  • L.G. Månsson
  • S. Kheddache
  • M. Widell
  • L. Björneld
  • P. Sund
  • A. Almén
  • Jack Besjakov
  • Sören Mattsson
  • M. Zankl
  • W. Panzer
  • C. Herrmann
Show all

Summary, in English

The aim of the first this work part of the EU-project, Trial I, was to evaluate and possibly improve the CEC image criteria for radiographic chest images. Chest images of healthy volunteers were acquired using different technique factors. The image criteria were used as a tool to discriminate between the different images. The technique factors were chosen so that the image quality would differ slightly. Four different technique parameters, each with two possible settings, used in clinical practice today, were used: tube voltage - 102 and 141 kV; screen/film speed - 160 and 320; maximum optical density in the parenchyma - 1.3 and 1.8; method for scatter reduction - air gap 30/390 and moving grid40/12. The results showed that the image criteria were able to separate between different technique groups. Some conclusions can be drawn from the results Optical density 1.8 was better than 1.3 independent of the other parameters. . Among the six combinations ranked best , four used tube voltage 141 kV and four used air gap technique for scatter reduction. No difference was seen for screen/film speed. No correlation was seen between the ranking of the systems and patient dose.

Department/s

  • Medical Radiation Physics, Malmö
  • Radiology Diagnostics, Malmö

Publishing year

2000

Language

English

Pages

203-206

Publication/Series

Radiation Protection Dosimetry

Volume

90

Issue

1-2

Document type

Journal article

Publisher

Oxford University Press

Topic

  • Radiology, Nuclear Medicine and Medical Imaging

Status

Published

Research group

  • Medical Radiation Physics, Malmö
  • Radiology Diagnostics, Malmö

ISBN/ISSN/Other

  • ISSN: 1742-3406