[Hepatitis B in children with cancer].

Cancer patients can be asymptomatic carriers of the hepatitis B virus (HBV), which can be reactivated by chemotherapy. Our aim was to identify the serological markers of HBV in children with cancer who were asymptomatic carriers of the virus. Fifty two (52) children with cancer treated at the Maracaibo University Hospital in Venezuela were studied, 28 of these children (53.