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Using digitalized whole slide images (WSI) in routine histopathology practice is a revolutionary technology. This study aims to assess the clinical impacts of WSI quality and representation of the corresponding glass slides. 40,160 breast WSIs were examined and compared with their corresponding glass slides. The presence, frequency, location, tissue type, and the clinical impacts of missing tissue were assessed. Scanning time, type of the specimens, time to WSIs implementation, and quality control (QC) measures were also considered. The frequency of missing tissue ranged from 2% to 19%. The area size of the missed tissue ranged from 1-70%. In most cases (>75%), the missing tissue area size was <10% and peripherally located. In all cases the missed tissue was fat with or without small entrapped normal breast parenchyma. No missing tissue was identified in WSIs of the core biopsy specimens. QC measures improved images quality and reduced WSI failure rates by seven-fold. A negative linear correlation between the frequency of missing tissue and both the scanning time and the image file size was observed (p 

Original publication

DOI

10.1038/s41379-021-01000-8

Type

Journal article

Journal

Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc

Publication Date

07/2022

Volume

35

Pages

903 - 910

Addresses

Department of Histopathology, School of Medicine, the University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK.

Keywords

Breast, Humans