DIGITAL PATHOLOGY
ultra-low impurity glass to maximise optical clarity, precision thickness control to ensure consistent focal planes, and surface smoothness to minimise distortions during imaging. Improved slide adhesion coatings can also promote better tissue adhesion and more uniform staining, while optimised refractive index profiles help ensure accurate light transmission and colour fidelity. Aligning microscope slides with the performance requirements of high-resolution imaging, enabling more consistent digital analysis. At the same time, the industry has the opportunity to establish greater standardisation across laboratory workflows, implementing consistent quality control procedures at every step, and investing in comprehensive training tools and programmes for pathologists. Global collaboration among regulatory bodies and industry partners is essential to establish consistent protocols for digital pathology, including slide manufacturing specifications, scanner calibration practices, and standardised digital image quality metrics. This would minimise variability
Global collaboration among regulatory bodies and industry partners is essential to establish consistent protocols for digital pathology.
the people using it. Many pathologists, especially those trained and experienced in traditional microscopy, face a steep learning curve when transitioning to WSI systems. Digital navigation, image zooming, colour calibration, and screen- based interpretation require new cognitive and visual strategies. Without proper training, many pathologists experience slower diagnostic workflows, increased fatigue, reduced diagnostic confidence, and a resistance to adoption. Histotechnologists also must adapt
their technical practices to meet digital performance standards. Subtle adjustments in section thickness, staining uniformity, and mounting technique take on heightened importance in a digital context. Comprehensive training programmes that include scanner operation, image interpretation, artefact recognition, and digital workflow optimisation are essential to achieving consistent diagnostic performance. Institutions that invest in ongoing education report: Faster adoption curves Higher diagnostic confidence Reduced error rates Improved staff satisfaction.
Investing in comprehensive training and user-friendly systems is becoming essential to ensure clinical accuracy and diagnoses.
Hidden costs Beyond diagnostic accuracy and efficiency, poor-quality microscope slides and images carry a significant economic and operational burden far beyond immediate rescan time. These include: Increased staff labour Re-cuting and re-staining expenses Scanner downtime IT infrastructure expansion Delayed case sign-out.
When multiplied across tens of thousands of slides annually, even minute inefficiencies translate into substantial financial impact. On a larger scale, the environmental impact cannot be ignored – each rescanned slide means additional energy use, more data storage, and increased waste from discarded materials. Optimising slide quality at the source becomes a powerful way to reduce both economic and environmental costs.
Conclusions: optimising for digital Successful digital pathology goes beyond an investment in high-quality scanners and AI models; glass manufacturers must increasingly design slides and cover glass with digital compatibility in mind. Traditional slides were developed for manual microscopy, but modern workflows demand products that perform reliably under high-resolution scanning systems. Design considerations include
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between laboratories, improve interoperability between facilities, and enhance AI algorithm portability. Without this alignment, differences in how slides are prepared and imaged can introduce variability that limits performance and use across different sites. This level of standardisation is critical for the accelerated growth of digital pathology to ensure reliable performance and accurate diagnoses across healthcare settings.
When built on a stable foundation,
digital pathology offers significant clinical and scientific opportunities. By transforming glass slides into digital assets, laboratories are able to participate in remote consultations, expand access to subspecialty expertise, and facilitate large-scale research studies. Digital workflows also create the foundation for AI-driven diagnostics, helping facilities manage increasing case volumes while advancing precision medicine. The success of digital pathology
ultimately depends on the quality of microscope slides and cover glass that initiate the imaging process. Subtle imperfections, once manageable in traditional microscopy, can have bigger effects in digital workflows, influencing scan quality, operational efficiency, and algorithm performance. By prioritising slide quality,
strengthening standardisation, and investing in training and quality control, the pathology community can reinforce the critical foundation. Addressing
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