The 3 Most Common Culprit Vessels (20,21,23,79,80)
| Characteristic | Gastroduodenal artery | Cystic artery | Right gastric artery |
| Origin | Common hepatic artery | Right hepatic artery | Left hepatic artery (42%) |
| Other (3%) | Other (2%) | Proper hepatic artery (40%) | |
| Gastroduodenal (10%) | |||
| Right hepatic artery (4%) | |||
| Common hepatic artery (3%) | |||
| Possible complication | Gastroduodenal ulcer | Radiation-induced cholecystitis (0%–7%) | Gastric ulcer |
| Pancreatitis | |||
| Coil embolization? | Not needed when there is (1) hepatopetal flow, (2) distal placement of microcatheter (>4–5 cm), (3) no extrahepatic contrast on C-arm CT | Not needed; microcatheter distal from origin is preferred | Not needed when there is distal placement of microcatheter (>4–5 cm), no extrahepatic contrast on C-arm CT |