Introducing PathQA

An image of PathQA's Sierra Slide

A leading light in the push for Quality Assurance practices in Digital Pathology.

PathQA’s flagship Sierra® technology provides colour accuracy metrics and reporting for digital pathology quality assurance and standardizes colour for scanner-agnostic AI validation using high-fidelity ICC profiles.

PathQA Products

An image of the Sierra Slide by PathQA

Sierra Slide

The Sierra Slide contains histologically stained patches for calibrating to real-world colour data, enabling validation of a scanner’s ability to reproduce histopathology colours.

An image of the Sierra VS-Analyser slide and cell sample

Sierra VS-Analyser

Sierra VS-Analyser validates colour of whole slide imaging devices and reports the difference between image colour and ground-truth colour in different scanners over time providing traceable Quality Assurance.

Sierra VS Profiler

Sierra VS-Profiler

Sierra VS-Profiler generates an individual ICC profile for each whole slide imaging device the Sierra Slide is scanned on, standardising the colour of the digital images produced by any scanner to ground-truth colour.

See the impact of the Sierra Slide.

Learn about colour accuracy metrics and the impact reporting has for digital pathology.

Contact Us

For more information on all of our Sierra Slide products or any other questions please contact us using the following form.

Alternatively, email us on enquiries@pathqa.co.uk