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  • Title: Flow cytometry (FCM) analysis of endometrial hyperplasia and carcinoma.
    Author: Kysela B, Siracký J, Redecha M, Bárdos A.
    Journal: Neoplasma; 1990; 37(5):489-95. PubMed ID: 2234210.
    Abstract:
    In a series of 52 biopsy specimens (31 endometrial carcinomas, 10 atypical endometrial hyperplasias, and 11 cases of normal endometrium), DNA ploidy and S-phase cell fraction were estimated in paraffin-embedded material. DNA aneuploidy was detected in 2 of the 10 atypical endometrial hyperplasias and 7 of the 31 endometrial carcinomas. The majority of aneuploidy was found to be connected with the loss of tumor differentiation. No ploidy disturbances were found in normal endometrium. The S-phase cell fraction value of normal endometrium was significantly lower when compared with that of endometrial carcinoma. The broad variation in S-phase cell fraction values of the endometrial carcinomas and atypical endometrial hyperplasias was in contrast with the low variability of S-phase cell values of normal endometrium. Very low incidence of aneuploidy in the group of well differentiated endometrial carcinomas (Grade I) enables the suggestion that the presence of aneuploidy predicts a more aggressive disease and that the detection of an aneuploid stemline in atypical endometrial hyperplasia may already indicate the neoplastic transformation.
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