pubmed-article:2999220 | pubmed:abstractText | A patient with long-standing Waldenström's disease and cryoglobulinemia, treated with chlorambucil, developed hepatocellular carcinoma. Although HBs antigen, anti-HBs, and anti-HBc antibodies were not detected in his serum by conventional polyclonal radioimmunoassays, immunofluorescence techniques showed HBs antigen to be present in hepatocytes. | lld:pubmed |