[The combination of hepatitis with different etiologies and developmental defects of the biliary tract].

Anamnestic, clinical and morphological data presented concern 34 children with malformations of excretory bile ducts (15 with atresia of intra- and extrahepatic bile ducts, 12 with atresia of distal regions of the external bile ducts, 7 with cystic dilatation of ductus choledochus). Analysis of operation material revealed the presence of hepatitis in 30 cases including 16 cases with giant cell hepatitis associated with malformations. Intrauterine hepatitis B was found in 24 cases, herpetic hepatitis in 2 cases and Mycoplasma-related hepatitis in 3 cases (one of them in combination with hepatitis B). The etiology was not established in 2 cases. Accompanying bacterial infection was in 6 observations.