Table 2 IHC marker reactivity by tumor type
From: Neuroendocrine differentiation distinguishes basaloid variant of lung squamous cell carcinoma
IHC Reactivity | Chromogranin (> 10%) | Synaptophysin (> 10%) | CD56 (> 10%) | Chromogranin (> 70%) | Synaptophysin (> 70%) | CD56 (> 70%) |
|---|---|---|---|---|---|---|
*PB-SqCC (n = 12) | 17% | 8% | 50% | 0% | 0% | 17% |
B-SqCC (n = 26) | 19% | 12% | 56% | 0% | 0% | 15% |
PD-SqCC (n = 19) | 0% | 0% | 21% | 0% | 0% | 0% |
SCLC (n = 9) | 88% | 100% | 100% | 88% | 100% | 100% |