Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Spigelman’s classification of duodenal polyposis
|
Characteristics
|
|
Points
|
| Number of polyps | 1 to 4 | 1 |
| 5 to 20 | 2 | |
| > 20 | 3 | |
| Size of polyps | 1 to 4 mm | 1 |
| 5 to 10 mm | 2 | |
| > 10 mm | 3 | |
| Histological type | Tubular polyp, hyperplasia, inflammation | 1 |
| Tubulovillous | 2 | |
| Villous | 3 | |
| Dysplasia | Mild | 1 |
| Moderate | 2 | |
| Severe | 3 |
A total of 0 points = stage 0; 1 to 4 points = stage I; 5 to 6 points = stage II; 7 to 8 points = stage III; and 9 to 12 points = stage IV[55].
