From: A rare case of neuroendocrine cell tumor mixed with a mucinous component in the ampulla of Vater
Solid nest component (Conventional) | Mucinous component | |
---|---|---|
Synaptophysin | 2 + | 2 + |
Chromogranin | scattered positive | scattered positive |
CD56 | scattered positive | scattered positive |
Ki-67 | 12.8% | 13.2% |
p53 | negative | negative |
Insulin | negative | negative |
Glucagon | negative | negative |
Somatostatin | negative | negative |
Gastrin | negative | negative |
Serotonin | negative | negative |
MUC2 | positive | positive |
MUC5AC | focal positive | focal positive |
MUC6 | negative | negative |
CD10 | negative | cytoplasmic expression |