Summary
The penetration and destruction of hepatocytes by lymphocytes (aggressive emperipolesis) has been described and examined quantitatively in biopsy specimens of chronic hepatitis. In 48 cases of chronic persistent hepatitis, the aggressive emperipolesis was rare and, obviously, not of great importance; sometimes there was no emperipolesis at all. In 36 cases of chronic aggressive hepatitis, however, emperipolesis was always evident, usually even to a very high extent.
The aggressive emperipolesis — as well as the piecemeal necrosis — is a significant phenomenon which can be seen in the light microscope in liver biopsies and gives evidence to the fact that this chronic inflammatory process is a progressive one; furthermore, it is an additional criterion to differentiate the two main types of chronic hepatitis.
Zusammenfassung
In Biopsiepräparaten von chronischen Hepatitiden wurde die Penetration und Zerstörung von Hepatocyten durch Lymphocyten (aggressive emperipolese) beschrieben und quantitativ ermittelt. Bei den untersuchten 48 Fällen von chronisch-persistierender Hepatitis spielte die aggressive Emperipolese nur eine untergeordnete Rolle und fehlte in vielen Fällen gänzlich. Demgegenüber ist sie bei den 36 untersuchten Fällen von chronischaggressiver Hepatitis stets deutlich, mitunter sogar in erheblichem Ausmaß vorhanden.
Die aggressive Emperipolese ist — neben den Mottenfraßnekrosen — ein morphologisches, im Leberstanzzylinder lichtmikroskopisch nachweisbares Substrat für den Prozeß der „self-perpetuation“ des chronisch-entzündlichen Geschehens und ein weiteres Kriterium für die Abgrenzung der beiden Haupttypen der chronischen Hepatitis.
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Bechtelsheimer, H., Gedigk, P., Müller, R. et al. Aggressive Emperipolese bei chronischen Hepatitiden. Klin Wochenschr 54, 137–140 (1976). https://doi.org/10.1007/BF01468791
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DOI: https://doi.org/10.1007/BF01468791
Key words
- Chronic persistent and aggressive hepatitis
- Aggressive Emperipolesis
- Lymphocyte cytotoxicity
- Cellular immune reaction
- Piecemeal necrosis