[Supernumerary liver localized in the navel. Description of a case]

The authors report a case of a supernumerary hepatic lobe at the umbilicus of a newborn. They review the different symptoms, varietes and frequencies of supernumerary hepatic lobes. The importance of this embryological anomaly is underlined in order to be differentiated from urachal and omphalo-mesenteric duct malformations.