Los Angeles classification of oesophagitis
Gastroenterology and hepatology
Also known as: Los-Angeles-Klassifikation der Refluxösophagitis · LA-Klassifikation · Los Angeles özofajit sınıflaması · Los Angeles (LA) classification of reflux oesophagitis
What it is for
Endoscopic grading of erosive reflux oesophagitis by the length and extent of mucosal breaks.
Classification
| Category | Description |
|---|---|
| Grade A | one or more mucosal breaks, none longer than 5 mm, not extending between the tops of two mucosal folds |
| Grade B | one or more mucosal breaks longer than 5 mm, not continuous between the tops of two mucosal folds |
| Grade C | mucosal breaks continuous between the tops of two or more folds, involving less than 75% of the oesophageal circumference |
| Grade D | mucosal breaks involving at least 75% of the oesophageal circumference |
Source
Endoscopic assessment of oesophagitis: clinical and functional correlates and further validation of the Los Angeles classification
Gut 1999;45:172–180 (Lundell LR et al.)
DOI: 10.1136/gut.45.2.172
PMID: 10403727
- Edition
- Los Angeles classification (Lundell 1999 validation; in current use unchanged)
- Checked on
Summary of the published classification in our own words. Not a substitute for the original publication.
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