Table 1 Sakamoto, Zerbib, and Li classifications of isolated superior mesenteric artery dissection.
| Classification systems | |||
|---|---|---|---|
| Types | Sakamoto | Zerbib | Li* |
| I | Patent false lumen with re-entry site | ||
| II | Patent false lumen without re-entry site | ||
| III | Thrombosed false lumen with ulcer-like projection | ||
| IV | Thrombosed false lumen without ulcer-like projection | ||
| V | Aneurysmal dissection, distal SMA stenosis | Dissecting aneurysm | |
| VI a | Total SMA thrombosis | ||
| VI b | Partial SMA thrombosis | ||
*Check Table 2 for Li subtypes.
SMA: superior mesenteric artery