Replaced left hepatic artery radiopaedia. .

Replaced left hepatic artery radiopaedia. The right hepatic artery is centered in the hepatic hilum, and courses anterior to the main portal vein, originating with a gastroduodenal artery from a common trunk from the superior mesenteric artery. The left hepatic artery can be seen coursing through the fissure for ligament venosum and originating from the superior aspect of the coeliac trunk. Within the liver, the left hepatic artery divides into: medial segmental branch lateral segmental Aug 14, 2025 · Variation in hepatic arterial anatomy is seen in 40-45% of people. Dec 10, 2023 · The replaced left hepatic artery (RLHA) is a vascular structure in the human body that plays a significant role in supplying blood to the liver. When replaced RHA runs anterior to the common hepatic duct, attention should be paid during laparoscopic cholecystectomy to prevent vascular or biliary ischemic damage. Aug 22, 2025 · The left hepatic artery runs vertically towards the umbilical fissure and supplies segments 1, 2 and 3. The LHA (white arrow) traverses through the fissure ligamentum venosum to enter left lobe. CT in late arterial phase of contrast enhancement shows arterial anatomy in this patient with both replaced left and right hepatic arteries. Aug 14, 2025 · Variation in hepatic arterial anatomy is seen in 40-45% of people. It usually gives off a middle hepatic artery branch that runs towards the right side of the umbilical fissure and supplies segments 4a and 4b 2. Understanding its imaging, function, and considerations can be important in diagnosing and treating related medical conditions. Diagram (A), arterial phase CT (B), and MRI (C) showing replaced LHA (Michels’ type II). As the hepatic arteries are both replaced, there is no common hepatic artery, and instead the gastroduodenal artery (blue arrow) arises directly from the coeliac artery. Classic branching of the common hepatic artery from the celiac artery, and the proper hepatic artery into right and left hepatic arteries to supply the entire liver, is seen in 55-60% of the population. We report an aberrant right hepatic artery coursing retroportally, with an aberrant left hepatic artery originating directly from the coeliac artery in a patient who underwent an elective pancreaticoduodenectomy (Whipple procedure). Aberrant right hepatic arteries (aRHAs) and aberrant left hepatic arteries (aLHAs) were defined on the basis of their origin and anatomic course. . Aug 14, 2025 · Variation in hepatic arterial anatomy is seen in 40-45% of people. The CT and DSA images were reviewed to evaluate the visceral arterial anatomy for variations in the celiac axis and hepatic arteries. The right hepatic artery is centred in the hepatic hilum, and courses anterior to the main portal vein, originating with a gastroduodenal artery from a common trunk from the superior mesenteric artery. The left hepatic artery (red arrow) can be seen coursing through the fissure for ligamentum venosum and originating from the left gastric artery. Classic branching of the common hepatic artery from the coeliac artery, and the proper hepatic artery into right and left hepatic arteries to supply the entire liver, is seen in 5 The right hepatic artery (green arrow) is centred in the hepatic hilum, and courses posterior to the main portal vein, originating from the superior mesenteric artery. Classic branching of the common hepatic artery from the celiac artery, and the proper hepatic artery into right and left hepatic arteries to supply the entire liver, is seen in 55 The left hepatic artery can be seen coursing through the fissure for ligament venosum and originating from the superior aspect of the celiac trunk. Replaced right hepatic artery arising directly from the celiac trunk and replaced left hepatic artery arising from the left gastric artery. wt7ax 8un nwpf 6ayjve6l np1woc os duv jlda bsvp jei2x