[Liver biopsies in the diagnosis of congenital and acquired pathology of the hepatobiliary system in children].

Analysis was made of the biopsy material from children with hepatobiliary pathology and the results are presented. Structural basis of fibrocholangiocystosis and mucoviscidosis is described. Specific hepatic lesion in lymphogranulomatosis was found to be very rare. The authors provide as with new information concerning liver morphometry for chronic hepatitis and cirrhosis, i. e. estimation of portal tract area and the proportional content of collagenous tissue in them.