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Keywords:

  • viral hepatitis;
  • nuclear particles;
  • human;
  • microtubular aggregates;
  • hepatitis NANB;
  • electron microscopy

ABSTRACT— A case of chronic non-A, non-B (NANB) hepatitis in a 17-year-old male is reported. The special feature was microtubular aggregates described so far only in experimental NANB hepatitis in chimpanzees. Additional characteristics were a severe chronic active hepatitis with confluent necrosis in a late stage, multinucleated hepatocytic giant cells and nuclear aggregates of 20–27 nm viruslike particles.