Dead pixel artifact
Citation, DOI & article data
A defective pixel on the display monitor can also lead to a white dot appearance but it won't be seen on a physical radiograph and will remain in the same position on the screen if the radiograph is moved.
- Arun Kumar Gupta, Anju Garg, Manavjit Singh Sandhu. Comprehensive Textbook of Diagnostic Radiology. (2021) ISBN: 9789390595556 - Google Books