Variable size computer-aided detection prompts and mammography film reader decisions.

Breast Cancer Research : BCR
Fiona J GilbertGeeta Iyengar

Abstract

The purpose of the present study was to investigate the effect of computer-aided detection (CAD) prompts on reader behaviour in a large sample of breast screening mammograms by analysing the relationship of the presence and size of prompts to the recall decision. Local research ethics committee approval was obtained; informed consent was not required. Mammograms were obtained from women attending routine mammography at two breast screening centres in 1996. Films, previously double read, were re-read by a different reader using CAD. The study material included 315 cancer cases comprising all screen-detected cancer cases, all subsequent interval cancers and 861 normal cases randomly selected from 10,267 cases. Ground truth data were used to assess the efficacy of CAD prompting. Associations between prompt attributes and tumour features or reader recall decisions were assessed by chi-squared tests. There was a highly significant relationship between prompting and a decision to recall for cancer cases and for a random sample of normal cases (P < 0.001). Sixty-four per cent of all cases contained at least one CAD prompt. In cancer cases, larger prompts were more likely to be recalled (P = 0.02) for masses but there was no such assoc...Continue Reading

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Citations

May 21, 2013·Annual Review of Biomedical Engineering·Maryellen L GigerJulia A Schnabel
Jun 10, 2010·Medical Physics·William F SensakovicSamuel G Armato
Jun 10, 2010·European Radiology·Maurice SamulskiNico Karssemeijer
Jul 6, 2010·Academic Radiology·Janne J Näppi
Aug 30, 2008·Breast Cancer Research : BCR·Fiona J GilbertGeeta Iyengar

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