What are the signs and symptoms of portal hypertension?
*Presents with painless upper GI hemorrhage due to esophageal varices
* Portal system venous collaterals
What is a TIPS shunt?
Transjugular intrahepatic portal systemic shunting
placed between the hepatic vein and portal vein (RHV & RPV)
What direction is hepatopedal and hepatofugal flow?
Hepatopedal - flow toward the liver
hepatofugal - flow away from the liver
What is Budd-Chiari syndrome and who is it most commonly found in?
Disorder from a hepatic vein obstruction by thrombus or tumor
*found in young women on birth control*
When will you see portal vein gas? and where will it typically be seen
Ischemic bowl disease
(Ulcerative colitis, crohns)
*intrahepatic portal veins in the periphery of the liver
Characteristics of a cavernous hemangioma?
Most common benign tumor of the liver
What is a echinococcal cyst and its characteristics?
cyst with detached endocyst
*DO NOT DRAIN---TOXIC---can cause anaphalactic shock
What covers the portal triad vessels that make it have a hyperechoic appearance?
What and where is a pyogenic abscess?
Common in Rt lobe
*does not have to travel out of the US*
What, where and how is an amebic abscess?
Parasite (amoeba) from intestines - thru portal vein
Travels from other countries
What, and how is a fungal abscess?
Mycotic (fungal) infection
1)wheel within a wheel
3)uniformly hypoechoic focus
What are the four hepatic fissures?
* Main Lobular
* Rt intersegmental
* Lt intersegmental
*divides left lobe into medial and lateral segment
* Ligamentum venosum