Tubulocystic Carcinoma of the Kidney
Supplemental Studies
Immunohistology
| Low MW keratin | pos |
| CK7 | weak, focal pos |
| AMACR/racemase/P504S | >75% |
| CD10 | variable |
| PAX2 | 40% |
| PAX8 | pos |
| High MW keratin | 18% |
| Low MW keratin | pos |
| CK7 | weak, focal pos |
| AMACR/racemase/P504S | >75% |
| CD10 | variable |
| PAX2 | 40% |
| PAX8 | pos |
| High MW keratin | 18% |