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  • Title: [S-phase fraction and malignant potential in DNA diploid colorectal cancer].
    Author: Ando Y, Tsuchiya A, Watanabe F, Sato H, Kikuchi Y, Yoshida T, Kimijima I, Abe R.
    Journal: Gan To Kagaku Ryoho; 1993 Apr; 20(6):771-4. PubMed ID: 8489284.
    Abstract:
    Patients with DNA diploid tumor have a significantly longer survival than those with DNA aneuploid in colorectal cancer, but some patients with diploid tumor show poor survival. For assessing malignant potential in diploid colorectal cancer, flow cytometric analysis of S-phase fraction (SPF) was investigated using paraffin-embedded materials from 79 carcinoma patients who had been treated from 1971 to 1989. There was no significant correlation between SPF and clinicopathological factors (such as sex, tumor size, tumor location, macroscopical type, depth of invasion, node metastasis, peritoneal dissemination, liver metastasis and clinical stage). Mean SPF was significantly higher in poorly differentiated type carcinomas than in well differentiated type carcinomas. Patients with higher SPF had a tendency to poorer survival than those with lower SPF. From these results, it was concluded that SPF represents histological differentiation and that SPF may be a prognostic indicator, in diploid colorectal cancer.
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