Version July 2025
| Type | Name | Etiology | Notes |
| A | Paraduodenal | Most common | |
| B | Foramen of Winslow | ||
| C | Intersigmoid | ||
| D | Pericecal | 2nd most common | |
| E | Transmesenteric | Roux-en-Y procedures | |
| F | Retroanastomotic |
