[Biliary ascariasis. A case of massive infestation; the importance of the peroperative choledoscopy].

Ascariasis of the biliary tract is rare in France, but not infrequent in French Guyana and West Indies. The case reported shows a massive infestation of the biliary tract in a 14 years old child and demonstrated the interest of per-operative choledocoscopy for diagnosis and treatment. Ascariasis of the biliary tract is a threatening disease in relation with the associated complications.