PIT1 is a transcription factor critical in the normal development of the anterior pituitary. IHC staining of PIT1 is useful in the classification of pituitary adenomas of anterior pituitary origin. The staining pattern is nuclear.
- A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen type or
- One (1) unbaked, unstained slide cut at 4-5 microns for H&E staining (required) and two to three (2-3) positively charged unstained slides cut at 3-4 microns for each test/antibody ordered.
- Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.