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  • Title: Comparison between image and flow DNA cytometry in non-Hodgkin's lymphomas.
    Author: Felman P, French M, Souchier C, Magaud JP, Gentilhomme O, Bryon PA.
    Journal: Pathol Res Pract; 1989 Nov; 185(5):709-14. PubMed ID: 2626380.
    Abstract:
    To assess the reliability of DNA estimation in cytological material, Feulgen lymph node imprints from 22 cases of malignant non-Hodgkin's lymphomas were examined by image cytometry (ICM) for both ploidy and cell kinetics, and the results obtained were compared with flow cytometry (FCM). The DNA distribution pattern was less accurate with ICM than with FCM; however, a high correlation was found between proliferative indices (r = 0.91) and between aneuploidy rates (agreement in about 86% of the cases) determined by FCM and ICM. Moreover, DNA tetraploid (or near-tetraploid) stem lines were more easily detected by ICM, due to the morphological selection of lymphomatous cells. The proliferation rate and the aneuploidy frequency according to morphological classification were in agreement with larger, previously reported studies with FCM. Therefore, ICM appears to supply additional complementary information to that obtained with FCM, particularly for the study of heterogeneous cell populations, which may be usefully applied to refine the large cell lymphoma subclassification.
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