Your activity: 14 p.v.
Why UpToDate?
What's New
Patient Education
Calculators
Drug interactions
Subscribe
Log In
< Back
Uptodate Reference Title
Go To Link
Close
Standardized grading of tonsil size
Standardized grading of tonsil size
Tonsil size is most often described on a scale from 0 to 4+:
0 – Tonsils are entirely within the tonsillar pillar or previously removed by surgery.
1+ – Tonsils occupy less than 25% of the lateral dimension of the oropharynx, as measured between the anterior tonsillar pillars (solid yellow arrow).
2+ – Tonsils occupy 26 to 50% of the lateral dimension of the oropharynx.
3+ – Tonsils occupy 51 to 75% of the lateral dimension of the oropharynx.
4+ – Tonsils occupy more than 75% of the lateral dimension of the oropharynx.
Drawing based on text description in: Brodsky L. Modern assessment of tonsils and adenoids. Pediatr Clin North Am 1989; 36:1551.
Graphic 103834 Version 4.0