[Role of hepatitis B and delta viruses in the etiology of hepatocarcinoma and other chronic liver diseases].

We studied in a prospective form 23 patients with chronic hepatic disease of the Medicine Department in Regional Hospital of Cusco (Perú). It is a reference center of endemic places of B Hepatitis and Delta Hepatitis (Puerto Maldonado, Abancay y La Convención) (8). This study has been done in a year. The diagnosis was done by a hepatic biopsy in 16 patients, in the others in whom the biopsy was contraindicated, the diagnosis was clinic and the laboratory.