Hepato-biliary scintigraphy is an imaging technique in nuclear medicine which makes it possible to evaluate the functioning of the hepato-biliary tract. It allows to: -Etiologic diagnosis of neonatal jaundice. -Neonatal diagnosis of bile duct atresia. -Assessment of the permeability of bilio-digestive anastomoses. -Early diagnosis of sclerosing cholangitis. -Diagnosis and above all post-therapeutic evaluation of Oddian dysfunctions. -Assessment of segmental hepatic function before resection surgery.