[Biliary hamartoma. Reflexions on a new personal case].

In this study of a personal case of biliary hamartoma showing complete aplasia of the hepatic parenchyma as well as a cystic ectasy of the corresponding bile ducts, particular emphasis has been laid on the clinical, paraclinical and anatomo-pathological aspects of these dysgeneses. There seems to be an analogy between the radiographic, anatomical and anatomo-pathological studies made in this case and those that could have been made in pulmonary sequestration. As regards the pathogenesis of these complaints, the authors therefore put forward the same hypothesis for biliary hamartoma as for pulmonary sequestration and highlight the advantages of pre-operative angiography.