Table 4.
Co-occurrence of immunostaining for iNOS, NTYR and 8-OH-dGa
| Markers |
No. of samples (%) |
||
| TCb n = 40 | DCb n = 12 | PolyCb n = 10 | |
| All negative | 5 (12) | 2 (16) | 5 (50) |
| One positive | |||
| iNOS | 2 (5) | 1 (8) | 1 (10) |
| NTYR | 4 (10) | 2 (17) | 1 (10) |
| 8-OHdG | 2 (5) | 2 (17) | 1 (10) |
| Two positive | |||
| iNOS + NTYR | 8 (20) | 1 (8) | 0 (0) |
| NTYR + 8-OHdG | 8 (20) | 3 (25) | 2 (20) |
| iNOS + 8-OHdG | 1 (2.5) | 1 (8) | 0 (0) |
| All positive | |||
| iNOS + NTYR + 8-OHdG | 10 (25) | 0 (0) | 0 (0) |
(a) iNOS: Inducible nitric oxide synthase; NTYR: Nitrotyrosine; 8OH-dG: 8-hydroxy-2’-deoxyguanosine. (b) TC: Intestinal or tubular carcinoma; DC: Diffuse carcinoma; PolyC: Mixed polymorphous carcinoma.