HPS stain

Inhistology,theHPS stain,orhematoxylinphloxinesaffronstain,is a way of markingtissues.

Micrographof a HPS stained section demonstratingperineural spreadofprostate adenocarcinoma.

HPS is similar toH&E,thestandard bearerin histology. However, it differentiates between the most commonconnective tissue(collagen) andmuscleandcytoplasmby staining the former yellow and the latter two pink,unlike an H&E stain, which stains all three pink.

HPS stained sections are more expensive than H&E stained sections, primarily due to the cost of saffron.

See also

• Histopathology

External links

• Histopathology Laboratory- Kingston General Hospital.