Taylor-Phillips, Sian, Clarke, Aileen, Wallis, Matthew G., Wheaton, Margot, Duncan, Alison and Gale, Alastair G. (2011) The time course of cancer detection performance. In: Medical Imaging 2011: Ultrasonic Imaging, Tomography, and Therapy, Lake Buena Vista, Florida, 16-17, February 2011. Published in: Medical Imaging, Vol.7968 Article: 796605. ISSN 0277-786X. doi:10.1117/12.881042

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Abstract

The purpose of this study was to measure how mammography readers' performance varies with time of day and time spent reading. This was investigated in screening practice and when reading an enriched case set. In screening practice records of time and date that each case was read, along with outcome (whether the woman was recalled for further tests, and biopsy results where performed) was extracted from records from one breast screening centre in UK (4 readers). Patterns of performance with time spent reading was also measured using an enriched test set (160 cases, 41% malignant, read three times by eight radiologists). Recall rates varied with time of day, with different patterns for each reader. Recall rates decreased as the reading session progressed both when reading the enriched test set and in screening practice. Further work is needed to expand this work to a greater number of breast screening centres, and to determine whether these patterns of performance over time can be used to optimize overall performance.

Item Type:	Conference Item (Paper)
Subjects:	R Medicine > RC Internal medicine > RC0254 Neoplasms. Tumors. Oncology (including Cancer)
Divisions:	Faculty of Medicine > Warwick Medical School > Health Sciences > Population, Evidence & Technologies (PET) > Warwick Evidence Faculty of Medicine > Warwick Medical School
Library of Congress Subject Headings (LCSH):	Breast -- Radiography, Medical screening, Radiologists, Performance
Journal or Publication Title:	Medical Imaging
Publisher:	SPIE
ISSN:	0277-786X
Official Date:	March 2011
Dates:	Date Event March 2011 Published
Volume:	Vol.7968
Page Range:	Article: 796605
DOI:	10.1117/12.881042
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Conference Paper Type:	Paper
Title of Event:	Medical Imaging 2011: Ultrasonic Imaging, Tomography, and Therapy
Type of Event:	Conference
Location of Event:	Lake Buena Vista, Florida
Date(s) of Event:	16-17, February 2011

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