Portal veins


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Related to Portal veins: portal system, Portal vessel

Portal veins

The main veins that carry blood from the stomach and intestines to the liver.
Mentioned in: Bleeding Varices
References in periodicals archive ?
Recent reports have described FNH and FNH-like lesions in a variety of different clinical and anatomic settings, including hypoplasia or agenesis of the portal vein,[2,3] Budd-Chiari syndrome,[4] cirrhosis of various etiologies,[5,6] hereditary hemorrhagic telangiectasia,[7] multiple FNH syndrome,[3] and adjacent to fibrolamellar carcinoma[8-13] and hydatid cyst.
Early VC included hepatic artery thrombosis (HAT), hepatic artery stenosis, portal vein thrombosis (PVT), and portal vein stenosis (PVS) in this study.
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.
Tissue Diabetic Control Control Pancreas Sinusoidal capillaries +++ ++ + Interlobular capillaries + 0/+ +++ Liver Hepatic arteries ++ ++ +++ Portal veins ++ ++ +++ Sinusoids 0 0 0 Kidney Glomeruli +++ ++ + Capillaries +++ ++ 0/+ Intensity of immunohistochemical staining: 0, absent; +, low; ++, medium; +++, high.
Bowel necrosis, which can occur in the setting of PI, manifests with free gas in the lumen of the mesenteric and portal veins (9).
Formation of portal vein is by the confluence of the splenic vein with the superior mesenteric vein and its formation mostly occurs behind the pancreas in the retro peritoneum.
Anomaly in the division of the portal veins may occur and is noted in 7.
The portal vein is important for securing the exogenous N that is utilized by parenteral tissues.
Computed tomography (CT) demonstrated a conglomerate of dilated vessels in the region of the porta hepatis with an intrahepatic portosystemic venous shunt, also known as a portal hepatic venous shunt, between the right portal vein and the middle hepatic vein (Figs 1a and 1b).
The Pringle manoeuvre, where both the common hepatic artery and portal vein are controlled in the hepatoduodenal ligament, has a minimal haemodynamic effect, although the pathological liver does not tolerate it as well as a healthy liver.
But, they found that other cells that made larger quantities of insulin showed up later, clustered around the portal veins (blood vessels that carry blood from the intestines and abdominal organs to the liver).