Digital mammographic interpretation by UK radiographer mammographers: A JAFROC analysis of observer performance

Journal article

Williams, S., Aksoy, U., Reed, W., Cielecki, L. and Woznitza, N. 2021. Digital mammographic interpretation by UK radiographer mammographers: A JAFROC analysis of observer performance. Radiography. https://doi.org/10.1016/j.radi.2021.02.015
AuthorsWilliams, S., Aksoy, U., Reed, W., Cielecki, L. and Woznitza, N.
Abstract

Introduction: Radiologists utilise mammography test sets to bench mark their performance against recognised standards. Using a validated test set, this study compares the performance of radiographer readers against previous test results for radiologists.

Methods: Under similar test conditions radiographer readers were given an established test set of 60 mammograms and tasked to identify breast cancer, they were measured against their ability to identify, locate and give a confidence level for cancer being present on a standard set of mammographic images. The results were then compared to previously published results for radiologists for similar or the same test sets.

Results: The 10 radiographer readers demonstrated similar results to radiologists and for lesion sensitivity were the highest scoring group. The study group score a sensitivity of 83; a specificity of 69.3 and lesion sensitivity of 74.8 with ROC and JAFROC scores of 0.86 and 0.74 respectively.

Conclusion: Under test conditions radiographers are able to identify and accurately locate breast cancer in a range of complex mammographic backgrounds.

Implications for practice: The study was performed under experimental conditions with results comparable to breast radiologists under similar conditions; translation of these findings into clinical practice will help address access and capacity issues in the timely identification and diagnosis of breast cancer.

KeywordsRadiographer reader; Mammography; Breast cancer; Lmage interpretation; Sensitivity; Specificity; Observer performance; ROC
Year2021
JournalRadiography
PublisherElsevier
ISSN1078-8174
1532-2831
Digital Object Identifier (DOI)https://doi.org/10.1016/j.radi.2021.02.015
Official URLhttps://doi.org/10.1016/j.radi.2021.02.015
FunderCollege of Radiographers
Publication dates
Online17 Mar 2021
Publication process dates
Accepted27 Feb 2021
Deposited12 Apr 2021
Accepted author manuscript
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Open
Output statusPublished
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An unusual cause of respiratory distress
Woznitza, N., Datsopolous, S., Shukla, R. and Aladangady, N. 2012. An unusual cause of respiratory distress. Archives of Disease in Childhood. 97, pp. A12-A13. https://doi.org/10.1136/archdischild-2012-301885.30
Chest X-Ray interpretation: agreement between consultant radiologists and a reporting radiographer in clinical practice in the United Kingdom
Woznitza, N., Piper, K., Burke, S., Patel, K., Amin, S. and Grayson, K. 2013. Chest X-Ray interpretation: agreement between consultant radiologists and a reporting radiographer in clinical practice in the United Kingdom.
Radiographer clinical reporting
Woznitza, N. 2014. Radiographer clinical reporting.
Commentary: radiographer reporting
Woznitza, N. 2014. Commentary: radiographer reporting. Journal of Medical Radiation Sciences. 61 (2), pp. 66-68. https://doi.org/10.1002/jmrs.51
Do you see what I see? Clinical review of discordant chest x-ray consultant radiologist and radiographer interpretations
Woznitza, N., Piper, K., Bothamley, G. and Burke, S. 2014. Do you see what I see? Clinical review of discordant chest x-ray consultant radiologist and radiographer interpretations.
Optimizing patient care in radiology through team-working: audit data
Woznitza, N. 2014. Optimizing patient care in radiology through team-working: audit data.
Optimizing neonatal X-ray quality: results of an audit
Woznitza, N., Hayes, N., Malshava, N. and McGuinness, D. 2014. Optimizing neonatal X-ray quality: results of an audit.
Agreement in neonatal x-ray interpretation: a comparison between consultant paediatric radiologists and a reporting radiographer
Woznitza, N., Piper, K., Aladangady, N., Iliadis, K., Prakash, R. and Santos, R. 2014. Agreement in neonatal x-ray interpretation: a comparison between consultant paediatric radiologists and a reporting radiographer.
Advanced radiographic practice in adult chest imaging
Woznitza, N. 2014. Advanced radiographic practice in adult chest imaging.
Can reporting radiographers produce clinically relevant reports?
Woznitza, N. and Piper, K. 2011. Can reporting radiographers produce clinically relevant reports?