Rakoff stain solution (for exfoliated cells)

Routine cytological staining includes Papanicolaou staining, Rakoff staining, Giemsa staining, etc. Both Papanicolaou staining and Rakoff staining can be used to detect the estrogen level in the vaginal epithelium. Rakoff staining is simple to operate and is often used in clinical vaginal cytology smears to quickly determine the estrogen level.