Cite this page: Pernick N. CD123. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/cdmarkerscd123.html. Accessed May 8th, 2021.
Definition / general
- Aka Interleukin 3 receptor alpha subunit
- Associates with the GM-CSF receptor (GMR beta)
Uses by pathologists
- Important for diagnosis of blastic plasmacytic dendritic cell neoplasm (BPDCN)
Positive staining - normal
- Plasmacytoid monocytes (bright with flow cytometry, Am J Surg Pathol 2002;26:852)