In poal hypeension the sites of poosystemic anastomosis includes

In poal hypeension the sites of poosystemic anastomosis includes lower end of esophagus, around umbilicus, lower third of rectum and anal canal, posterior abdominal wall, bare area of liver Poosystemic anastomosis Location Poal component Systemic component Esophagus(lower end) esophageal varices Left gastric vein Azygous vein and accessory hemiazygous vein Rectum and anal canal hemorrhoids Superior rectal vein Middle and Inferior rectal vein Umbilicus caput medusae Left branch of poal vein(paraumbilical branches) Superficial (superior and Inferior) epigastric veins Posterior abdominal wall Colic and omental veins Retro peritoneal veins of abdominal wall, renal capsule, splenic and hepatic flexure Bare area of liver Hepatic venues, right branch of poal vein Phrenic and intercostal veins, Retro peritoneal veins draining into lumbar, Azygous and hemiazygous veins Liver(rarely) Patent ducts venous, Left branch of poal vein Inferior vena cava