Anatom3DHepatovenous segment iv
Segmentum mediale sinistrum hepatis (IV) · Jaterní segment IV
Digestive system
Looks like
Segment IV (quadrate area): the medial part of the left liver, between the gallbladder and the falciform ligament.
What it does
A functional liver unit, divided into upper IVa and lower IVb.
Keeping it well
Segment IVb is removed with the gallbladder for some gallbladder cancers. Fatty sparing near the gallbladder is a harmless scan finding.
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
- Cirrhosis
- 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
- Viral hepatitis (A, B, C, D, E)
- Yellow fever