Table 1 RESULTS OF IMMUNOHISTOCHEMISTRY
Antibody | Observation |
|---|---|
CK AE1/AE3 | Diffusely positive, except in chondroid nodules |
CDX2 | Positive in glandular areas |
Hep Par 1 | Positive in hepatoid areas |
AFP | Diffusely positive, more intense in glandular and hepatoid areas |
GLP3 | Diffusely positive, more intense in glandular and hepatoid areas |
SALL 4 | Diffusely positive, more intense in glandular and hepatoid areas |
GATA 3 | Negative (positive in the initial urothelial component) |
VIM | Positive in small undifferentiated cells |
OCT 3/4 | Negative |
EMA | Negative |
CK7 | Negative |
SYN | Negative |