Hepatology is an area of medicine that focuses on diseases and conditions of the liver.
A hepatologist is usually certified in both internal medicine and gastroenterology and is involved in the diagnosis and treatment of hepatic diseases, which also include the organs around the liver: gallbladder, pancreas and the biliary tract. Conditions treated are hepatitis infections, fatty liver disease (alcohol-related or not), jaundice, cirrhosis, metabolic liver disease, liver cancer. Other conditions treated are pancreatitis, pancreatic cancer, gallstones, gallbladder inflammation and cancer, bile duct stones, bile duct adenomas (non-cancerous tumours), bile duct cancer. A hepatologist can perform ultrasound investigations, endoscopy, hepatobiliary iminodiacetic acid scans (bile production), biopsies.