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Identifies a growth factor produced by the anterior pituitary that is essential for mammary gland development and function. This marker is useful for detecting prolactin-secreting pituitary tumors, regardless of whether galactorrhea is present.
Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumor block preferred.
Unstained Slides: Recommended 2 charged slides per stain requested (minimum of 1 slide per stain), baked or unbaked.
Fixation: Tissue must be fixed in 10% neutral buffered formalin for 6–72 hours.
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.