A comparison of mammographic systems for different breast thicknesses using model observer detectability

Nelis Van Peteghem; Elena Salvagnini; Hilde Bosmans; Lesley Cockmartin; Nicholas W. Marshall

doi:10.1117/12.2081865

A comparison of mammographic systems for different breast thicknesses using model observer detectability

Nelis Van Peteghem, Elena Salvagnini, Hilde Bosmans, Lesley Cockmartin, Nicholas W. Marshall

Research output › peer-review

1 Scopus citations

Abstract

This work investigated image quality as a function of PMMA thickness on a variety of mammography systems. Image quality was quantified by calculating detectability (d"™) using a non-prewhitening with eye filter model observer (NPWE) from routinely acquired quality control (QC) data of twelve digital radiography (DR) systems. The sample of systems included two mammography devices equipped with the Siemens PRIME upgrade and one system with the Claymount SmartBucky detector. The d"™ data were calculated for a 0.1 and 0.25 mm diameter gold discs using images of homogeneous PMMA (thickness from 2 to 7 cm), all from the routinely performed AEC test. The GE Essential systems had the highest d"™ values for low thicknesses and the lowest d"™ values for high thicknesses. The Hologic Selenia Dimension systems had the most constant detectability curve, ensuring high d"™ values at high thicknesses. This was achieved by increasing the mean glandular dose (MGD) at higher thicknesses compared to the other systems. The Siemens PRIME and the Claymount system detectability results were comparable to the standard FFDM systems. Mean glandular dose at 5, 6 and 7 cm PMMA and gold threshold thickness at 5 cm PMMA were also evaluated. The Claymount system had a high (but acceptable) threshold gold thickness (T) compared to the other systems. This was probably caused by the low dose at which this DR detector operates. Results of NPWE d"™ and CDMAM analysis showed the same trends.

Original language	English
Title of host publication	Medical Imaging 2015
Subtitle of host publication	Physics of Medical Imaging
Editors	Christoph Hoeschen, Despina Kontos, Christoph Hoeschen
Publisher	SPIE - The International Society for Optical Engineering
Number of pages	9
Volume	9412
ISBN (Electronic)	9781628415025
DOIs	https://doi.org/10.1117/12.2081865
State	Published - 2015
Event	2015 - SPIE Medical Imaging: Physics of Medical Imaging - Orlando Duration: 22 Feb 2015 → 25 Feb 2015

Publication series

Name	Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Publisher	SPIE
Volume	9412
ISSN (Print)	1605-7422

Conference

Conference	2015 - SPIE Medical Imaging
Country/Territory	United States
City	Orlando
Period	2015-02-22 → 2015-02-25

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Biomaterials
Radiology Nuclear Medicine and imaging

Access to Document

10.1117/12.2081865License: Unspecified

Cite this

Van Peteghem, N., Salvagnini, E., Bosmans, H., Cockmartin, L., & Marshall, N. W. (2015). A comparison of mammographic systems for different breast thicknesses using model observer detectability. In C. Hoeschen, D. Kontos, & C. Hoeschen (Eds.), Medical Imaging 2015: Physics of Medical Imaging (Vol. 9412). Article 941235 (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 9412). SPIE - The International Society for Optical Engineering. https://doi.org/10.1117/12.2081865

Van Peteghem, Nelis ; Salvagnini, Elena ; Bosmans, Hilde et al. / A comparison of mammographic systems for different breast thicknesses using model observer detectability. Medical Imaging 2015: Physics of Medical Imaging. editor / Christoph Hoeschen ; Despina Kontos ; Christoph Hoeschen. Vol. 9412 SPIE - The International Society for Optical Engineering, 2015. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE).

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title = "A comparison of mammographic systems for different breast thicknesses using model observer detectability",

abstract = "This work investigated image quality as a function of PMMA thickness on a variety of mammography systems. Image quality was quantified by calculating detectability (d{"}{\texttrademark}) using a non-prewhitening with eye filter model observer (NPWE) from routinely acquired quality control (QC) data of twelve digital radiography (DR) systems. The sample of systems included two mammography devices equipped with the Siemens PRIME upgrade and one system with the Claymount SmartBucky detector. The d{"}{\texttrademark} data were calculated for a 0.1 and 0.25 mm diameter gold discs using images of homogeneous PMMA (thickness from 2 to 7 cm), all from the routinely performed AEC test. The GE Essential systems had the highest d{"}{\texttrademark} values for low thicknesses and the lowest d{"}{\texttrademark} values for high thicknesses. The Hologic Selenia Dimension systems had the most constant detectability curve, ensuring high d{"}{\texttrademark} values at high thicknesses. This was achieved by increasing the mean glandular dose (MGD) at higher thicknesses compared to the other systems. The Siemens PRIME and the Claymount system detectability results were comparable to the standard FFDM systems. Mean glandular dose at 5, 6 and 7 cm PMMA and gold threshold thickness at 5 cm PMMA were also evaluated. The Claymount system had a high (but acceptable) threshold gold thickness (T) compared to the other systems. This was probably caused by the low dose at which this DR detector operates. Results of NPWE d{"}{\texttrademark} and CDMAM analysis showed the same trends.",

keywords = "C-d analysis, FFDM, Mean glandular dose, Model observer, Quality control",

author = "{Van Peteghem}, Nelis and Elena Salvagnini and Hilde Bosmans and Lesley Cockmartin and Marshall, {Nicholas W.}",

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Van Peteghem, N, Salvagnini, E, Bosmans, H, Cockmartin, L & Marshall, NW 2015, A comparison of mammographic systems for different breast thicknesses using model observer detectability. in C Hoeschen, D Kontos & C Hoeschen (eds), Medical Imaging 2015: Physics of Medical Imaging. vol. 9412, 941235, Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 9412, SPIE - The International Society for Optical Engineering, 2015 - SPIE Medical Imaging, Orlando, United States, 2015-02-22. https://doi.org/10.1117/12.2081865

A comparison of mammographic systems for different breast thicknesses using model observer detectability. / Van Peteghem, Nelis; Salvagnini, Elena; Bosmans, Hilde et al.
Medical Imaging 2015: Physics of Medical Imaging. ed. / Christoph Hoeschen; Despina Kontos; Christoph Hoeschen. Vol. 9412 SPIE - The International Society for Optical Engineering, 2015. 941235 (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 9412).

Research output › peer-review

TY - GEN

T1 - A comparison of mammographic systems for different breast thicknesses using model observer detectability

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AU - Salvagnini, Elena

AU - Bosmans, Hilde

AU - Cockmartin, Lesley

AU - Marshall, Nicholas W.

PY - 2015

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N2 - This work investigated image quality as a function of PMMA thickness on a variety of mammography systems. Image quality was quantified by calculating detectability (d"™) using a non-prewhitening with eye filter model observer (NPWE) from routinely acquired quality control (QC) data of twelve digital radiography (DR) systems. The sample of systems included two mammography devices equipped with the Siemens PRIME upgrade and one system with the Claymount SmartBucky detector. The d"™ data were calculated for a 0.1 and 0.25 mm diameter gold discs using images of homogeneous PMMA (thickness from 2 to 7 cm), all from the routinely performed AEC test. The GE Essential systems had the highest d"™ values for low thicknesses and the lowest d"™ values for high thicknesses. The Hologic Selenia Dimension systems had the most constant detectability curve, ensuring high d"™ values at high thicknesses. This was achieved by increasing the mean glandular dose (MGD) at higher thicknesses compared to the other systems. The Siemens PRIME and the Claymount system detectability results were comparable to the standard FFDM systems. Mean glandular dose at 5, 6 and 7 cm PMMA and gold threshold thickness at 5 cm PMMA were also evaluated. The Claymount system had a high (but acceptable) threshold gold thickness (T) compared to the other systems. This was probably caused by the low dose at which this DR detector operates. Results of NPWE d"™ and CDMAM analysis showed the same trends.

AB - This work investigated image quality as a function of PMMA thickness on a variety of mammography systems. Image quality was quantified by calculating detectability (d"™) using a non-prewhitening with eye filter model observer (NPWE) from routinely acquired quality control (QC) data of twelve digital radiography (DR) systems. The sample of systems included two mammography devices equipped with the Siemens PRIME upgrade and one system with the Claymount SmartBucky detector. The d"™ data were calculated for a 0.1 and 0.25 mm diameter gold discs using images of homogeneous PMMA (thickness from 2 to 7 cm), all from the routinely performed AEC test. The GE Essential systems had the highest d"™ values for low thicknesses and the lowest d"™ values for high thicknesses. The Hologic Selenia Dimension systems had the most constant detectability curve, ensuring high d"™ values at high thicknesses. This was achieved by increasing the mean glandular dose (MGD) at higher thicknesses compared to the other systems. The Siemens PRIME and the Claymount system detectability results were comparable to the standard FFDM systems. Mean glandular dose at 5, 6 and 7 cm PMMA and gold threshold thickness at 5 cm PMMA were also evaluated. The Claymount system had a high (but acceptable) threshold gold thickness (T) compared to the other systems. This was probably caused by the low dose at which this DR detector operates. Results of NPWE d"™ and CDMAM analysis showed the same trends.

KW - C-d analysis

KW - FFDM

KW - Mean glandular dose

KW - Model observer

KW - Quality control

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Van Peteghem N, Salvagnini E, Bosmans H, Cockmartin L, Marshall NW. A comparison of mammographic systems for different breast thicknesses using model observer detectability. In Hoeschen C, Kontos D, Hoeschen C, editors, Medical Imaging 2015: Physics of Medical Imaging. Vol. 9412. SPIE - The International Society for Optical Engineering. 2015. 941235. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE). doi: 10.1117/12.2081865