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  • Title: NM23 expression as prognostic factor in colorectal carcinoma.
    Author: Forte A, D'Urso A, Gallinaro LS, Lo Storto G, Soda G, Bosco D, Bezzi M, Vietri F, Beltrami V.
    Journal: G Chir; 2002 Mar; 23(3):61-3. PubMed ID: 12109225.
    Abstract:
    BACKGROUND: The current most important prognostic indicator in colorectal carcinoma is tumor stage at the moment of diagnosis. The role of NM23 gene as prognostic factor is controversial. The aim of this study was to investigate NM23 expression. PATIENTS AND METHODS: The study population included 104 unselected patients who underwent surgery for colorectal carcinoma between 1992 and 1997. NM23 expression was quantified by estimating the percentage of tumor cells with unequivocal reactivity. The percentage was scored: 0 when no tumor cells showed immunoreactivity; 1 when less than 10% of cells showed immunoreactivity; 2 when 11-50% of cells were positive; 3 when more than 51% of cells were positive. RESULTS: Four cases belonged to group 0.21 to group 1.55 to group 2 and 24 to group 3. CONCLUSION: NM23 cannot be considered an independent prognostic variable.
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