05 December 2020
: Case report 
Duodenal Laceration Due to Blunt Trauma Caused by Horse Kick: A Case Report and Literature Review
Unusual clinical course, Challenging differential diagnosis, Rare disease
Jan-Peter Correia Sousa Périssé1ACDEF*, Ana Luiza de Carvalho Miranda Rosati Rocha2AF, Raphael Lessa Coelho3ABCDEFG, Bruno Guerra Campanario3BF, Luis Fernando Rosati Rocha3ABCFDOI: 10.12659/AJCR.927461
Am J Case Rep 2020; 21:e927461
Table 1. Duodenal injury scale from the American Association for Surgery of Trauma Organ Injury Scale (AAST-OIS).
| Grade* | Injury | Description |
|---|---|---|
| I | HematomaLaceration | Involving one portion of duodenumPartial laceration, without perforation |
| II | HematomaLaceration | Involving more than one portionDisruption <50% circumference |
| III | Laceration | Disruption 50–75% circumference of D2Disruption 50–100% circumference of D1, D3, D4 |
| IV | Laceration | Disruption >75% circumference D2Involving Vater’s ampulla or distal common bile duct |
| V | LacerationVascular | Massive disruption of duodenopancreatic complexDevascularization of duodenum |
| Adapted from Moore et al. []. D1 – 1 portion duodenum; D2 – 2 portion duodenum; D3 – 3 portion duodenum; D4 – 4 portion duodenum. * Advance one grade to multiple injuries of the same organ | ||