[Current diagnostics and therapy of focal liver lesions]

Increasing number of tumorous diseases, the extension of Hepatitis B and C infection, and growing frequency of cirrhotic patients have emphasized the importance of treatment of primary and secondary liver tumors. On the other hand the development in imaging procedures have been resulted in diagnosis of different focal liver lesion with unknown origin, and had to decide whether the patient should be treated or only observation is indicated. First the author gives a review about the most frequent focal liver lesions and their therapeutic consequence. He discusses in detail the indication, risk factors, technics, contraindications and complications of surgical interventions. The possibilities and results of ablative and minimal invasive procedures are analysed, and the author underlines the necessity of combined therapy. The results of different therapeutic modalities are presented according to literary data, and the author summarizes the therapeutic tactics accepted today.