Table 5: Results of immunohistochemical stains (p53 and Ki67) performed on cases called “Indeterminate for FTIN” or “Definite for FTIN”.
Indeterminate for FTIN | Definite for FTIN | |
---|---|---|
Slides stained | 15* | 12* |
Concordance between Pathologists | 0 | 8 |
Increased Ki67 | 2 (13%) | 5 (42%) |
Increased P53 or possible null | 2 (13%) | 9(75%) |
Increased P53 | 2 | 5 |
Possible null | 0 | 4 |
Two blocks were missing and thus IHC could not be performed (one Indeterminate case and one Definite case)