Immunohistochemistry results (mean (SD)) for each group of polyps; 6–10 fields were examined on each sample
| Immunohistochemistry (% positive staining) | |||||
|---|---|---|---|---|---|
| Polyp (adenoma) type | No of samples | Pro-gastrin | Gly-G17 | G17-NH2 | CCKBR |
| Normal mucosa | 5 | 5 (1.8) | 2 (1.1) | 3 (0.9) | 6 (2.6) |
| Tubular <1 cm | 5 | 53 (12.3) | 25 (8.7.) | 15 (6.1) | 51 (13.6) |
| Tubular 1–1.9 cm | 5 | 35 (7.8) | 20 (7.2) | 18 (7.3) | 34 (10.8) |
| Tubular >2 cm | 5 | 33 (13) | 21 (8.3) | 12 (5.9) | 43 (12.3) |
| Tubular villous 1–1.9 cm | 5 | 56 (14.2) | 14 (5.4) | 17 (6.5) | 40 (8.3) |
| Tubular villous >2 cm | 5 | 30 (8.5) | 17 (11.3) | 13 (8.5) | 38 (15.1) |
| Villous 1–1.9 cm | 5 | 38 (9.2) | 25 (6.1) | 7 (3.8) | 44 (8.2) |
| Villous >2 cm | 5 | 48 (11.7) | 31 (9.8) | 9 (6.7) | 32 (11.3) |
| Severe dysplasia <1 cm | 5 | 41 (10.1) | 25 (7.8) | 20 (8.9) | 37 (10) |
| Severe dysplasia 1–1.9 cm | 5 | 32 (6.7) | 21 (7.2) | 12 (7.3) | 44 (11) |
| Severe dysplasia >2 cm | 5 | 57 (12.3) | 31 (7.5) | 17 (6.5) | 42 (10.3) |
| Polyp cancer | 5 | 41 (11.2) | 27 (6.7) | 9 (4.3) | 57 (14) |