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The World Health Organization has developed a grading system for mucositis based on clinical appearance and functional status.
The WHO scale is dependent on both objective and subjective variables, and measures anatomical, symptomatic as well as functional components of oral mucositis.
WHO Oral Mucositis Grading Scale
| Grade |
Description |
| 0 (none) |
None |
| I (mild) |
Oral soreness, erythema |
| II (moderate) |
Oral erythema, ulcers, solid diet tolerated |
| III (severe) |
Oral ulcers, liquid diet only |
| IV (life-threatening) |
Oral alimentation impossible |
Reference:
WHO: http://www.who.int/en/
WHO Handbook 1979, pp.15-22.
Sonis et al. Cancer 2004; 100(9 Suppl):1995-2025.
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