Table 3.
Pathologic, immunohistochemical and molecular findings in four pediatric cases of salivary gland secretory carcinoma
| Case | Histology/cytomorphology | IHC | FISH ETV6 break |
RT-PCR ETV6-NTRK3 |
RT-PCR ETV6-RET |
|---|---|---|---|---|---|
| 1 |
Partially encapsulated; Solid, microcystic; vacuolated eosinophilic cytoplasm, small, monotonous nuclei |
+ CK7 + S100 + GATA3 + mammaglobin |
+ | + | ND |
| 2 |
Encapsulated; Solid, microcystic; vacuolated eosinophilic cytoplasm, small, monotonous nuclei |
+ CK7 + S100 + GATA3 + mammaglobin |
+ | + | ND |
| 3 |
Encapsulated; Solid, microcystic; vacuolated eosinophilic cytoplasm, small, monotonous nuclei |
+ CK7 + S100 + GATA3 + mammaglobin |
+ | − | + |
| 4 |
Encapsulated; Solid, macrocystic; vacuolated eosinophilic cytoplasm, small, monotonous nuclei |
+ CK7 + S100 + GATA3 + mammaglobin |
+ | + | ND |