HPS stain

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Micrograph of a HPS stained section demonstrating perineural spread of prostate adenocarcinoma.

In histology, the HPS stain, or hematoxylin phloxine saffron stain, is a way of marking tissues.

HPS is similar to H&E, the standard bearer in histology. However, it differentiates between the most common connective tissue (collagen is yellow[1]) and muscle and cytoplasm are both pink, unlike an H&E stain, which stains connective tissue, muscle and cytoplasm all pink.

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

See also[edit]


  1. ^ Saffron. polysciences.com. URL: http://www.polysciences.com/Catalog/Department/Product/98/categoryId__38/productId__2836/. Accessed on: 6 December 2009.

External links[edit]