Variability in DNA measurements in multiple tumor samples of human colonic carcinoma.


The DNA ploidy and cell-cycle distribution of three separate fresh tissue samples of 60 colorectal adenocarcinomas were analyzed by flow cytometry. DNA ploidy was concordant among the three samples in 38 cases (63.3%). In the remaining 22 cases (36.6%), the DNA histograms of two of the three multiple samples were similar; however, the ploidy of the third… (More)


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