hepatic arteries

he·pa·tic ar·ter·ies

Farlex Partner Medical Dictionary © Farlex 2012
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Multi-detector-row computed tomography (MDCT) has become a more valuable and minimally invasive revolutionary technique for the evaluation of hepatic arteries and its variations, which was formerly done by digital subtraction angiography (DSA).4 The fast scanning capability limits motion artefacts and enables imaging of entire liver during a single breath hold.2
HCC receives blood primarily from the hepatic arteries and therefore tends to enhance more avidly in arterial phase than background which receive 25% blood supply from hepatic artery and 75% from portal vein.
If the bleeding vessel has not already been identified on noninvasive imaging, the first angiographic study should be a celiac arteriogram with delayed phase imaging to visualize both the hepatic arteries and the portal vein.
The finding that ulcerations typically do not occur after transarterial chemoembolization or when nonradioactive microspheres are injected into the hepatic arteries of experimental animals supports the hypothesis that radiation injury, rather than ischemia, is responsible for these mucosal ulcerations [6].
The celiac trunk branched into two vessels: the left gastric artery and a hepatosplenic trunk, which further divided into splenic and common hepatic arteries (Figure 1).
The segment therefore receives vessels independently from left and right portal vein and hepatic arteries and drain independently into inferior vena cava by multiple small branches.
In Japan, transcatheter arterial embolization (TAE) has become an accepted treatment option for patients with symptomatic PLD in several hospitals.[sup][10],[11],[12] Because the hepatic cysts patients with PLD are mostly supplied from hepatic arteries rather than portal veins, TAE of the hepatic artery branches that supply major hepatic cysts can shrink the cyst and liver size.[sup][12],[13]This less invasive approach can relieve symptoms and avoid the morbidity and mortality associated with open surgery.
In the present case, we reported that there were variations in both right and left hepatic arteries and no common hepatic artery from the celiac trunk; this makes LND more difficult than that for arteries with a standard anatomy.
In this case, we report a case of SAM with heterochronic vessel rupture of the splenic and common hepatic arteries, treated by surgical intervention and coil embolization.