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High-resolution DNA flow cytometry in papillary cystadenoma lymphomatosum (Warthin's tumour)
J Hemmer1, W F van Heerden, J Polackova
1Division of Tumor Biology, University of Ulm, Germany.
Abstract:
Twenty-eight examples of papillary cystadenoma lymphomatosum (Warthin's tumour) of the parotid gland were analysed by high-resolution DNA flow cytometry. The mean coefficient of variation was found to be 1.19% (SD: 0.41). All tumours were DNA diploid. These results did not correspond with expected deviations based on published chromosomal studies. Also, the homogeneously low S-phase fractions (mean: 4.8%; SD: 2.7) found did not support the hypothesis of etiologically distinctive subgroups in these tumours.