Mucinous Tubular and Spindle Cell Carcinoma of the Kidney
Supplemental Studies
Immunohistology
| Low MW keratin | pos |
| CK7 | pos |
| AMACR/racemase/P504S | pos |
| Synaptophysin, chromogranin | pos* |
| Ulex, vimentin | variable |
| CD10 | 0-50% |
| High MW keratin | neg |
| CK20 | neg |
| CD117/KIT | neg |
