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Morphometric and cytophotometric investigations of lobular neoplasia of the breast with ductal involvement

Morphometrische und cytomorphometrische Untersuchungen der lobulären Neoplasie der Mamma mit extralobulärer Gangbeteiligung

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  • Clinical Oncology or Epidemiology
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Summary

The two different types, A and B, of in situ lobular neoplasia of the breast can be distinguished by cytomorphological means. DNA-measurements of type A are preponderantly diploid while those of type B vary from diploidy to hyperteraploidy with a maximum in the hyperdiploid range. The results indicate a higher potential of malignancy in type B. Homogenous ductular cell proliferations in the immediate neighbourhood of a lobular neoplasia display virtually the same distribution of DNA-values. Such evidence suggests that ductular changes and concomitant intralobular lesions have a common genesis, showing also a similar tendency towards malignant changes.

Zusammenfassung

Die beiden cytomorphologisch unterscheidbaren Typen A und B der lobulären Neoplasie der Mamma weisen abweichende nucleäre DNA Werte auf. Während Zellkerne des Typs A fast immer diploid sind, reichen die Meßwerte beim Typ B vom diploiden bis in den hypertetraploiden Bereich. Ein Maximum liegt bei hyperdiploiden Werten. Diese Beobachtungen stehen in Einklang mit der Annahme eines höheren Malignitätspotentials beim Typ B.

Gleichgeartete duktuale Zellproliferationen in der unmittelbaren Umgebung einer lobulären Neoplasie zeigen das gleiche Verteilungsmuster des cellulären DNA-Gehaltes. Es ist daher hier ein gleichhohes Risiko einer malignisierung zu erwarten wie im Bereich der Lobuli; die Genese beider Veränderungen ist wahrscheinlich gleichartig.

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With results of his doctoral thesis

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Zippel, H.H., Henatsch, H.J. & Kunze, W.P. Morphometric and cytophotometric investigations of lobular neoplasia of the breast with ductal involvement. J Cancer Res Clin Oncol 93, 265–274 (1979). https://doi.org/10.1007/BF00964582

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  • DOI: https://doi.org/10.1007/BF00964582

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