Medial inferior segmental branch of left portal vein
Ramus segmenti medialis inferioris venae portae · Mediální dolní segmentová větev levé vrátnicové žíly
Veins
Looks like
The branch of the left portal vein going to the lower part of segment 4 (4b), next to the gallbladder bed.
What it does
Brings gut blood to segment 4b.
Keeping it well
Relevant in gallbladder cancer surgery, where segment 4b may be removed.
Related conditions
- Acute liver failure
- Acute porphyria
- Alcohol withdrawal and delirium tremens
- Alcohol-related liver disease
- Alpha-1 antitrypsin deficiency
- Autoimmune hepatitis
- Bile duct cancer (cholangiocarcinoma)
- Biliary atresia
- Brucellosis
- Chronic venous insufficiency
- Cirrhosis
- Clotting disorders (thrombophilia & APS)
- Deep vein thrombosis
- Dengue & mosquito-borne fevers
- Ebola virus disease
- Echinococcosis (hydatid disease)
- Eye melanoma (uveal melanoma)
- Gilbert's syndrome
- Haemochromatosis & Wilson's disease
- Hepatic encephalopathy
- High cholesterol
- Intestinal worms & schistosomiasis
- Intrahepatic cholestasis of pregnancy
- Leishmaniasis
- Leptospirosis (Weil's disease)
- Liver abscess (pyogenic and amoebic)
- Liver cancer (hepatocellular carcinoma)
- Malaria
- Metabolic fatty liver disease (MASLD)
- Metabolic syndrome
- Myelofibrosis
- Newborn jaundice
- Phenylketonuria (PKU)
- Poisoning & overdose
- Portal vein thrombosis and Budd–Chiari syndrome
- Primary biliary cholangitis
- Primary sclerosing cholangitis
- Varicose veins
- Viral hepatitis (A, B, C, D, E)
- Yellow fever