| Grading system | |
|---|---|
| Parikh grading | |
| 1 | No contact |
| 2 | Contact with torus tubarius |
| 3 | Contact with torus tubarius, vomer |
| 4 | Contact with Torus tubarius, vomer, soft palate |
| ACE grading | |
| A | Adenoid volume to the size of nasopharynx |
| 0 | No adenoids |
| 1 | 1% to 25% |
| 2 | 26% to 50% |
| 3 | 51% to 75% |
| 4 | 76% to 100% |
| C | Relation of adenoid to the choana |
| 0 | No obstruction |
| 1 | <50% |
| 2 | ≥50% |
| E | Relation of adenoid to the ET |
| 0 | Not abutting |
| 1 | Abutting |