Indicatori prognostici della patologia tumorale di tipo epiteliale del grosso intestino

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COD: 2002_06_587-598 Categorie: ,

A. Forte1, A. D’Urso1, L.S. Gallinaro1, G. Lo Storto, A. Covotta, G. Soda, D. Bosco, S. Nardoni, M. Bezzi, V. Beltrami

Ann. Ital. Chir., LXXIII, 6, 2002

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The surgical treatment of large bowel malignant tumors is now the most important therapeutic approach. The aim of our study was to evaluate a possible prognostic implication of ploidy and NM23 expression. The study includes 120 non selected patients who underwent surgery for colorectal cancer. The analisys of ploidy was obtained with cytometric test. The cases with only one gaff Go/G1 were considered as diploid. Patteras with more than one aneuploidic population were classified as multiploidic or poliploidic. While NM23 expression was evaluated with a double blind retrospective study by two separate equipe of autors in different centres. NM23 positivity degree was classified in 3 classes: absent or weak if <10%; moderate if 10-50%; strong if >50%. Forty-two patients (35%) were classified as diploidic; 30 patients (25%) as aneuploidic; 40 patients (33.2%) as multiploidic; in 8 cases (6.7%) the material was inadeguate. Among the two groups who evaluated NM23 expression the group I a positivity: absent or weak in 32 cases (26.7%); moderate in 62 cases (51.7%); strong in 26 cases (21.6%); while the group II shows positivity: absent or weak in 30 cases (25%); moderate in 52 cases (43.3%); strong in 38 cases (31.7%). We cannot consider ploidy and the NM23 research as indipendent prognostic factor.

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