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  • Title: [Results of flow image analytic DNA determination in histologic preparations of malignant tumors].
    Author: Harosek G, Theissig F, Dimmer V, Kunze KD, Meyer W.
    Journal: Acta Histochem Suppl; 1990; 39():139-45. PubMed ID: 1964230.
    Abstract:
    The steadily increasing interest in DNA and ploidy determination of malignant tumours led to an increased application of flow image cytometric methods in tumour research and clinical pathology for some years. The investigations are mainly designed to explore the proliferative capacity and deviations in the characteristic DNA-content, finally to obtain clues about the actual malignancy grade and the prognostic outcome of a given malignant tumour therapy. The results of the study on 84 breast and 30 gastric cancers show the principal opportunity to use image cytometric techniques for DNA determination in histological sections. Apart from all disadvantages of these methods compared with flow cytometry, the image cytometry is capable of giving prognostic information with respect to survival as well as to the metastatic potential. Although several significant differences exist between the prognostic subgroups in seven and four DNA parameters, respectively, the case-related decision is not satisfying the clinical demands. Gastric cancers did not show any significant differences on the single-parameter level. Single distinct DNA parameters having the same diagnostic importance in both different tumour types and different prognostic problems could not be found.
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