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Impact of the digitalisation of mammography on performance parameters and breast dose in the Flemish Breast Cancer Screening Programme

(2014) EUROPEAN RADIOLOGY. 24(8). p.1808-1819
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Abstract
To investigate the impact of digitalisation on performance parameters and breast dose of the Flemish Breast Cancer Screening Programme. Both computed (CR) and direct radiography (DR) are compared with screen-film mammography (SFM). Data from 975,673 mammographic examinations were collected from units which underwent digitalisation from SFM to CR (41 units) or DR (72 units) in the period 2005-2011. Performance indicators were obtained by consulting the Screening Programme database. Phantom and patient dosimetry data were acquired from the physical technical quality assurance of the programme. Digitalisation induced no significant change in cancer detection rate (CDR), percentage of ductal carcinomas in situ and percentage of breast cancers smaller than 1 cm. A decrease in false-positive results and third readings was observed, which was a time-related observation. After digitalisation, positive predictive value (PPV) increased and recall rates decreased. Compared with SFM, an increase of 30 % in mean glandular dose (MGD) was found for CR, while a similar change in the opposite direction was found for DR. No major differences in performance parameters after digitalisation were found. Transition of SFM to CR resulted in a higher MGD and associated lower detection-over-induction ratio (DIR), while the change to DR induced an improvement of DIR. * Performance parameters showed no major differences after digitalisation to CR or DR. * Transition from SFM to CR results in a higher mean glandular dose. * Transition from SFM to DR results in a lower mean glandular dose.
Keywords
FILM MAMMOGRAPHY, Glandular dose, COMPUTED RADIOGRAPHY, X-RAYS, CLASSIFICATION, DETECTOR, BENEFIT, COHORTS, TRIAL, RISK, Performance parameters, Digital mammography, Screen-Film mammography, Breast cancer screening

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Chicago
Timmermans, Lore, An De Hauwere, Klaus Bacher, Hilde Bosmans, Kim Lemmens, Luc Bleyen, Erik Van Limbergen, et al. 2014. “Impact of the Digitalisation of Mammography on Performance Parameters and Breast Dose in the Flemish Breast Cancer Screening Programme.” European Radiology 24 (8): 1808–1819.
APA
Timmermans, L., De Hauwere, A., Bacher, K., Bosmans, H., Lemmens, K., Bleyen, L., Van Limbergen, E., et al. (2014). Impact of the digitalisation of mammography on performance parameters and breast dose in the Flemish Breast Cancer Screening Programme. EUROPEAN RADIOLOGY, 24(8), 1808–1819.
Vancouver
1.
Timmermans L, De Hauwere A, Bacher K, Bosmans H, Lemmens K, Bleyen L, et al. Impact of the digitalisation of mammography on performance parameters and breast dose in the Flemish Breast Cancer Screening Programme. EUROPEAN RADIOLOGY. 2014;24(8):1808–19.
MLA
Timmermans, Lore, An De Hauwere, Klaus Bacher, et al. “Impact of the Digitalisation of Mammography on Performance Parameters and Breast Dose in the Flemish Breast Cancer Screening Programme.” EUROPEAN RADIOLOGY 24.8 (2014): 1808–1819. Print.
@article{5683396,
  abstract     = {To investigate the impact of digitalisation on performance parameters and breast dose of the Flemish Breast Cancer Screening Programme. Both computed (CR) and direct radiography (DR) are compared with screen-film mammography (SFM).
Data from 975,673 mammographic examinations were collected from units which underwent digitalisation from SFM to CR (41 units) or DR (72 units) in the period 2005-2011. Performance indicators were obtained by consulting the Screening Programme database. Phantom and patient dosimetry data were acquired from the physical technical quality assurance of the programme.
Digitalisation induced no significant change in cancer detection rate (CDR), percentage of ductal carcinomas in situ and percentage of breast cancers smaller than 1 cm. A decrease in false-positive results and third readings was observed, which was a time-related observation. After digitalisation, positive predictive value (PPV) increased and recall rates decreased. Compared with SFM, an increase of 30 \% in mean glandular dose (MGD) was found for CR, while a similar change in the opposite direction was found for DR.
No major differences in performance parameters after digitalisation were found. Transition of SFM to CR resulted in a higher MGD and associated lower detection-over-induction ratio (DIR), while the change to DR induced an improvement of DIR.
* Performance parameters showed no major differences after digitalisation to CR or DR.
* Transition from SFM to CR results in a higher mean glandular dose. 
* Transition from SFM to DR results in a lower mean glandular dose.},
  author       = {Timmermans, Lore and De Hauwere, An and Bacher, Klaus and Bosmans, Hilde and Lemmens, Kim and Bleyen, Luc and Van Limbergen, Erik and Martens, Patrick and Van Steen, Andre and Mortier, Margarete and Van Herck, Koen and Thierens, Hubert},
  issn         = {0938-7994},
  journal      = {EUROPEAN RADIOLOGY},
  keyword      = {FILM MAMMOGRAPHY,Glandular dose,COMPUTED RADIOGRAPHY,X-RAYS,CLASSIFICATION,DETECTOR,BENEFIT,COHORTS,TRIAL,RISK,Performance parameters,Digital mammography,Screen-Film mammography,Breast cancer screening},
  language     = {eng},
  number       = {8},
  pages        = {1808--1819},
  title        = {Impact of the digitalisation of mammography on performance parameters and breast dose in the Flemish Breast Cancer Screening Programme},
  url          = {http://dx.doi.org/10.1007/s00330-014-3169-y},
  volume       = {24},
  year         = {2014},
}

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