IHC

Inhibin Alpha

Detects Inhibin-α, a peptide hormone that inhibits pituitary FSH secretion. Expressed in granulosa cells, sex cord-stromal tumors, and adrenal cortical cells/tumors. Useful for distinguishing adrenocortical tumors from renal cell carcinoma.

Synonyms

Anti-Inhibin alpha, Inhibin

Full Description

Detects Inhibin-α, a peptide hormone that inhibits pituitary FSH secretion. Expressed in granulosa cells, sex cord-stromal tumors, and adrenal cortical cells/tumors. Useful for distinguishing adrenocortical tumors from renal cell carcinoma.

Methodology

IHC

Specimen Requirements

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.

Storage and Transportation

Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.

Turnaround Time

24 Hrs

CPT Codes

88342x1 or 88341x1