View source for Template:Sites of Portalcaval Anastomosis

===Sites of [[Portalcaval Anastomosis]] ===
Clinical presentations of portal hypertension include:

{| class="wikitable"
| '''Region''' || '''Name of clinical condition''' || '''Portal circulation''' || '''Systemic circulation'''
 |-
 | Esophageal || [[Esophageal varices]] || Esophageal branch of left gastric vein || Esophageal branches of azygos vein
 |-
 | Rectal || Rectal varices || Superior rectal vein  || Middle rectal veins and inferior rectal veins
 |-
 | Paraumbilical || Caput medusae || Paraumbilical veins || Superficial epigastric vein
 |-
 | rowspan="2" | Retroperitoneal ||Splenorenal shunt||Splenic vein|| Renal vein, suprarenal vein, paravertebral vein, and gonadal vein
|-
|(no clinical name)
|Right colic vein, middle colic vein, left colic vein |Right colic vein, middle colic vein, left colic vein|| Retroperitoneal veins of Retzius
|-
| rowspan="2" |Intrahepatic ||Hepatic pseudolesions ||Perihepatic veins of Sappey ||Superior epigastric vein
|-
| Patent ductus venosus || Left branch of portal vein || Inferior vena cava
|}

''A dilated inferior mesenteric vein may or may not be related to portal hypertension.
Other areas of anastomosis include the bare area of the liver as it connects to the diaphragm, the posterior portion of the gastrointestinal tract as it touches the posterior abdominal wall, the posterior surface of the pancreas, and the inferior part of the esophagus.''