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Proceedings Paper

MoniQA: a general approach to monitor quality assurance
Author(s): J. Jacobs; T. Deprez; G. Marchal M.D.; H. Bosmans
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Paper Abstract

MoniQA ("Monitor Quality Assurance") is a new, non-commercial, independent quality assurance software application developed in our medical physics team. It is a complete JavaTM - based modular environment for the evaluation of radiological viewing devices and it thus fits in the global quality assurance network of our (film less) radiology department. The purpose of the software tool is to guide the medical physicist through an acceptance protocol and the radiologist through a constancy check protocol by presentation of the necessary test patterns and by automated data collection. Data are then sent to a central management system for further analysis. At the moment more than 55 patterns have been implemented, which can be grouped in schemes to implement protocols (i.e. AAPMtg18, DIN and EUREF). Some test patterns are dynamically created and 'drawn' on the viewing device with random parameters as is the case in a recently proposed new pattern for constancy testing. The software is installed on 35 diagnostic stations (70 monitors) in a film less radiology department. Learning time was very limited. A constancy check -with the new pattern that assesses luminance decrease, resolution problems and geometric distortion- takes only 2 minutes and 28 seconds per monitor. The modular approach of the software allows the evaluation of new or emerging test patterns. We will report on the software and its usability: practicality of the constancy check tests in our hospital and on the results from acceptance tests of viewing stations for digital mammography.

Paper Details

Date Published: 16 March 2006
PDF: 9 pages
Proc. SPIE 6145, Medical Imaging 2006: PACS and Imaging Informatics, 614502 (16 March 2006); doi: 10.1117/12.652093
Show Author Affiliations
J. Jacobs, Leuvens Univ. Ctr. for Medical Physics in Radiology (Belgium)
T. Deprez, Leuvens Univ. Ctr. for Medical Physics in Radiology (Belgium)
Univ. Hospitals Leuven (Belgium)
G. Marchal M.D., Univ. Hospitals Leuven (Belgium)
H. Bosmans, Leuvens Univ. (Belgium)
Univ. Hospitals Leuven (Belgium)


Published in SPIE Proceedings Vol. 6145:
Medical Imaging 2006: PACS and Imaging Informatics
Steven C. Horii; Osman M. Ratib, Editor(s)

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