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Display performance and standards for primary digital pathology sign-out: Technical specifications, validation, and
Yuqing Xiong1, Sahussapont Joseph Sirintrapun1
1Mass General Brigham, Department of Pathology, Boston, MA, USA.
Journal of Pathology Informatics
|June 15, 2026
Summary
Digital pathology requires specific monitor guidance, distinct from radiology. Validated consumer-grade displays are viable for sign-out with robust quality assurance, but rigorous local validation is essential.
Area of Science:
- Digital pathology and medical imaging display technology.
- Pathology informatics and diagnostic workflows.
- Quality assurance in medical device implementation.
Background:
- The transition to whole-slide imaging (WSI) in digital pathology designates diagnostic displays as critical components of the pixel pipeline.
- Pathologists require specialized display guidance that differs from radiology due to the nature of polychromatic stains.
Purpose of the Study:
- To synthesize technical, regulatory, and quality assurance (QA) guidance for diagnostic monitors in digital pathology.
- To delineate the unique requirements for pathology displays compared to those used in radiology.
Main Methods:
- A narrative synthesis of technical specifications from published literature on diagnostic displays for digital pathology.
- Consolidation of information into practical guidance for display selection and interoperability.
Main Results:
- Key monitor attributes include resolution, luminance stability, contrast, and color rendering (gamut, bit depth).
- In-plane switching (IPS) displays with LED backlights are preferred over OLED for sign-out due to durability and uniformity concerns.
- Ergonomic considerations suggest 27-inch 4K displays are adequate, with larger screens offering expanded views but potential ergonomic challenges.
Conclusions:
- Validated consumer/professional-grade (CPG) displays can serve as alternatives to medical-grade (MG) displays for digital pathology sign-out.
- A disciplined quality assurance program, including rigorous local validation and ongoing monitoring, is indispensable for CPG display use.
- Pathology's reliance on color necessitates distinct display standards compared to radiology's grayscale focus.
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