[Surgical treatment of central echinococcal cysts of the liver].

While in the treatment of the peripheral Hydatic Cyst of the liver the complete extirpation of the cyst is today recognized as a curing method, at the Central Type of Hepatic Cyst, there are often suggested and performed surgical treatments which in today's phase could be appraised as incorrect. The Central Hepatic Cyst ought to be entirely removed (cyst and pericyst). All vascular and biliary elements, which go from the liver parenchym to the pericyst, must be exactly tied up.