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. 2016 Feb 25;4(1):E88-94.
doi: 10.9778/cmajo.20140075. eCollection 2016 Jan-Mar.

Performance of residents using digital images versus glass slides on certification examination in anatomical pathology: a mixed methods pilot study

Lorna Mirham  1 , Christopher Naugler  1 , Malcolm Hayes  1 , Nadia Ismiil  1 , Annie Belisle  1 , Shachar Sade  1 , Catherine Streutker  1 , Christina MacMillan  1 , Golnar Rasty  1 , Snezana Popovic  1 , Mariamma Joseph  1 , Manal Gabril  1 , Penny Barnes  1 , Richard G Hegele  1 , Beverley Carter  1 , George M Yousef  1
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Performance of residents using digital images versus glass slides on certification examination in anatomical pathology: a mixed methods pilot study

Lorna Mirham et al. CMAJ Open. .

Abstract

Background: It is anticipated that many licensing examination centres for pathology will begin fully digitizing the certification examinations. The objective of our study was to test the feasibility of a fully digital examination and to assess the needs, concerns and expectations of pathology residents in moving from a glass slide-based examination to a fully digital examination.

Methods: We conducted a mixed methods study that compared, after randomization, the performance of senior residents (postgraduate years 4 and 5) in 7 accredited anatomical pathology training programs across Canada on a pathology examination using either glass slides or digital whole-slide scanned images of the slides. The pilot examination was followed by a post-test survey. In addition, pathology residents from all levels of training were invited to participate in an online survey.

Results: A total of 100 residents participated in the pilot examination; 49 were given glass slides instead of digital images. We found no significant difference in examination results between the 2 groups of residents (estimated marginal mean 8.23/12, 95% confidence interval [CI] 7.72-8.87, for glass slides; 7.84/12, 95% CI 7.28-8.41, for digital slides). In the post-test survey, most of the respondents expressed concerns with the digital examination, including slowly functioning software, blurring and poor detail of images, particularly nuclear features. All of the respondents of the general survey (n = 179) agreed that additional training was required if the examination were to become fully digital.

Interpretation: Although the performance of residents completing pathology examinations with glass slides was comparable to that of residents using digital images, our study showed that residents were not comfortable with the digital technology, especially given their current level of exposure to it. Additional training may be needed before implementing a fully digital examination, with consideration for a gradual transition.

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Figures

Figure 1
Figure 1
Selection of senior residents (postgraduate years 4 and 5) for participation in the pilot examination. R = randomization.
Figure 2
Figure 2
Exposure of survey respondents (all levels of training, n = 179) to digital pathology during training.
Figure 3
Figure 3
Comfort level of survey respondents (all levels of training, n = 179) with digital whole-slide scanned images.
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