|Test||TTF-1, IMMUNOHISTOCHEMISTRY STAIN|
Anti-RRF-1 has been shown to be immunoreactive with Type II cells and Clara cells of the lung and follicular cells from thyroid, but was unreactive with all other normal tissues examined. The following tissues were found to lack TTF-1 expression: pituitary, prostate, testes, adrenal gland, skin, breast, kidney, colon, liver, pancreas, small intestine, brain and stomach.
NOTE: This test is usually ordered in conjunction with a pathology consultation. The pathology professional component will be billed separately by the consulting pathologist.
|Specimen||Formalin-fixed or paraffin-embedded tissue specimen.|
|Reference Values||An interpretive report will be issued.|
|Analytic Time||2 Days|
|Day(s) Test Set Up||Monday through Friday|