Table 2.
Distribution of hepatic artery variations by Michels classification. LHA, RHA, LGA, SMA, and CHA
| Type | Variation | Number (%) |
|---|---|---|
| I | Normal pattern | 115 (57.5) |
| II | Replaced LHA from LGA | 19 (9.5) |
| III | Replaced RHA from SMA | 22 (11/0) |
| IV | Replaced RHA and LHA | 8 (4.0) |
| V | Accessory LHA | 20 (10.0) |
| VI | Accessory RHA | 2 (1.0%) |
| VII | Accessory RHA and LHA | 3 (1.5%) |
| VIII | Replaced RHA or LHA with other hepatic artery being an accessory one | 4 (2.0) |
| IX | CHA as a branch of SMA | 3 (1.5) |
| X | CHA as a branch of LGA | 0 (0.0) |
| Out of the | CHA as a branch of Aorta | 4 (2.0) |
| Michels | ||
| classification | ||
| Total | 200 (100.0) |
LHA: Left hepatic artery; RHA: Right hepatic artery; LGA: Left gastric artery; SMA: Superior mesenteric artery; CHA: Common hepatic artery.