DNA ploidy as a major prognostic factor in resectable ampulla of Vater cancers. 1993

Y M Shyr, and C H Su, and L H Wu, and A F Li, and J H Chiu, and W Y Lui
Department of Surgery, Veterans General Hospital-Taipei, Yang Ming Medical College, Taiwan, Republic of China.

The archival paraffin-embedded specimens from 63 ampulla of Vater cancers after pancreaticoduodenectomy between 1965 and 1991 were analyzed by flow cytometry. Of the 63 cancers, 31 (49.2%) were diploid DNA cancers and 32 (50.8%) were aneuploid. Patients with diploid DNA cancer had a median survival time of 159.0 months, and patients with aneuploid DNA cancer had 24.0 months. This difference is statistically significant (P = 0.0257). The aneuploid group did have a poorer prognosis than the diploid group. The multivariate analysis demonstrated that DNA ploidy was an independent and very important prognostic factor, even stronger than the stage and lymph node status. There was a tendency toward higher values of S-phase fraction, proliferative index, and total aneuploid DNA fraction in the shorter survival groups, but they were of no statistical significance. These data suggest that DNA ploidy appears to be the most important and the only pre-operative predictor of prognosis in resectable ampulla of Vater cancers since endoscopic biopsy is feasible.

UI MeSH Term Description Entries
D011003 Ploidies The degree of replication of the chromosome set in the karyotype. Ploidy
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D003138 Common Bile Duct Neoplasms Tumor or cancer of the COMMON BILE DUCT including the AMPULLA OF VATER and the SPHINCTER OF ODDI.
D004273 DNA, Neoplasm DNA present in neoplastic tissue. Neoplasm DNA
D005434 Flow Cytometry Technique using an instrument system for making, processing, and displaying one or more measurements on individual cells obtained from a cell suspension. Cells are usually stained with one or more fluorescent dyes specific to cell components of interest, e.g., DNA, and fluorescence of each cell is measured as it rapidly transverses the excitation beam (laser or mercury arc lamp). Fluorescence provides a quantitative measure of various biochemical and biophysical properties of the cell, as well as a basis for cell sorting. Other measurable optical parameters include light absorption and light scattering, the latter being applicable to the measurement of cell size, shape, density, granularity, and stain uptake. Cytofluorometry, Flow,Cytometry, Flow,Flow Microfluorimetry,Fluorescence-Activated Cell Sorting,Microfluorometry, Flow,Cell Sorting, Fluorescence-Activated,Cell Sortings, Fluorescence-Activated,Cytofluorometries, Flow,Cytometries, Flow,Flow Cytofluorometries,Flow Cytofluorometry,Flow Cytometries,Flow Microfluorometries,Flow Microfluorometry,Fluorescence Activated Cell Sorting,Fluorescence-Activated Cell Sortings,Microfluorimetry, Flow,Microfluorometries, Flow,Sorting, Fluorescence-Activated Cell,Sortings, Fluorescence-Activated Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014670 Ampulla of Vater A dilation of the duodenal papilla that is the opening of the juncture of the COMMON BILE DUCT and the MAIN PANCREATIC DUCT, also known as the hepatopancreatic ampulla. Duodenal Papilla, Major,Vater's Ampulla,Greater Duodenal Papilla,Hepatopancreatic Ampulla,Ampulla, Hepatopancreatic,Ampulla, Vater's,Ampullas, Hepatopancreatic,Duodenal Papilla, Greater,Duodenal Papillas, Greater,Greater Duodenal Papillas,Hepatopancreatic Ampullas,Major Duodenal Papilla,Vater Ampulla,Vaters Ampulla
D015999 Multivariate Analysis A set of techniques used when variation in several variables are studied simultaneously. In statistics, multivariate analysis is interpreted as any analytic method that allows simultaneous study of two or more dependent variables. Analysis, Multivariate,Multivariate Analyses
D016009 Chi-Square Distribution A distribution in which a variable is distributed like the sum of the squares of any given independent random variable, each of which has a normal distribution with mean of zero and variance of one. The chi-square test is a statistical test based on comparison of a test statistic to a chi-square distribution. The oldest of these tests are used to detect whether two or more population distributions differ from one another. Chi-Square Test,Chi Square Distribution,Chi Square Test,Chi-Square Distributions,Chi-Square Tests,Distribution, Chi-Square,Distributions, Chi-Square,Test, Chi-Square,Tests, Chi-Square

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