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A pituitary hormone produced by gonadotrophs that regulates reproductive function. In females, FSH promotes ovarian follicle maturation and estrogen production; in males, it stimulates spermatogenesis and testosterone secretion. Immunohistochemical detection is useful for identifying FSH in pituitary adenomas and differentiating primary from secondary ovarian failure.
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.