[The diagnosis of cystic malformations of the biliary tree during childhood (author's transl)].

Percutaneous, transhepatic cholangiography was carried out in a child aged 1 year and 10 months suffering from obstructive jaundice when non-invasive radiological methods had proved useless. PTC is of considerable value in the diagnosis of cystic disease of the biliary system. Its advantages in planning surgery are described. The technique, indications and contra-indications are discussed.