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Can mammogram readers swiftly and effectively learn to interpret first post-contrast acquisition subtracted (FAST) MRI, a type of abbreviated breast MRI? : a single centre data-interpretation study

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FAST MRI Study Group (Including: Jones, Lyn I., Geach, Rebecca, Harding, Sam A., Foy, Christopher, Taylor, Victoria, Marshall, Andrea, Taylor-Phillips, Sian and Dunn, Janet A.). (2019) Can mammogram readers swiftly and effectively learn to interpret first post-contrast acquisition subtracted (FAST) MRI, a type of abbreviated breast MRI? : a single centre data-interpretation study. The British Journal of Radiology, 92 . 20190663. doi:10.1259/bjr.20190663 ISSN 0007-1285.

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Official URL: https://doi.org/10.1259/bjr.20190663

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Abstract

To assess whether NHS breast screening programme (NHSBSP) mammogram readers could effectively interpret first post-contrast acquisition subtracted (FAST) MRI, for intended use in screening for breast cancer. Eight NHSBSP mammogram readers from a single centre (four who also read breast MRI (Group 1) and four who do not (Group 2)) were given structured FAST MRI reader training (median 4 h: 32 min). They then prospectively interpreted 125 FAST MRIs (250 breasts: 194 normal and 56 cancer) comprising a consecutive series of screening MRIs enriched with additional cancer cases from 2015, providing 2000 interpretations. Readers were blinded to other readers' opinions and to clinical information. Categorisation followed the NHSBSP MRI reporting categorisation, with categories 4 and 5 considered indicative of cancer. Diagnostic accuracy (reference standard: histology or 2 years' follow-up) and agreement between readers were determined. The accuracy achieved by Group 2 (847/1000 (85%; 95% confidence interval (CI) 82-87%)) was 5% less than that of Group 1 (898/1000 (90%; 95% CI 88-92)). Good inter-reader agreement was seen between both Group 1 readers (κ = 0.66; 95% CI 0.61-0.71) and Group 2 readers (κ = 0.63; 95% CI 0.58-0.68). The median time taken to interpret each FAST MRI was Group 1: 34 s (range 3-351) and Group 2: 77 s (range 11-321). Brief structured training enabled multiprofessional mammogram readers to achieve similar accuracy at FAST MRI interpretation to consultant radiologists experienced at breast MRI interpretation. FAST MRI could be feasible from a training-the-workforce perspective for screening within NHSBSP.

Item Type: Journal Article
Subjects: R Medicine > RA Public aspects of medicine
R Medicine > RC Internal medicine
R Medicine > RG Gynecology and obstetrics
Divisions: Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Clinical Trials Unit
Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences
Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Breast -- Cancer, Breast -- Magnetic resonance imaging, Breast -- Radiography , Breast -- Cancer -- Diagnosis, Medical screening
Journal or Publication Title: The British Journal of Radiology
Publisher: British Institute of Radiology
ISSN: 0007-1285
Official Date: 3 October 2019
Dates:
DateEvent
3 October 2019Published
20 September 2019Available
Volume: 92
Article Number: 20190663
DOI: 10.1259/bjr.20190663
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): ** From PubMed via Jisc Publications Router
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 29 October 2019
Date of first compliant Open Access: 3 October 2020

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