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  • Title: [Demonstration of independent cellular prognostic factors in squamous cell carcinoma of the lung].
    Author: Volm M, Kayser K, Mattern J.
    Journal: Strahlenther Onkol; 1989 Aug; 165(8):587-92. PubMed ID: 2772815.
    Abstract:
    The aim of this investigation was to find out whether a histopathologically homogeneous group of patients (similar in histology, grade, operation, and therapy) could be divided with respect to survival by determining cellular tumor factors. Therefore out a group of 100 patients 46 patients with previously untreated epidermoid lung carcinomas were selected. From these patients fresh surgical specimens of tumors were investigated by means of flow cytometry and the obtained data were correlated with five years survival. Patients with aneuploid tumors had significantly shorter survival times than did those with diploid tumors (p = 0.02). Seven of eleven patients with diploid tumors survived five years or more, whereas 25 of 35 patients with aneuploid tumors died within this period. Patients having tumors with a high proportion of G0/G1-phase cells survived significantly longer (p = 0.04) than patients having tumors with a lower proportion of G0/G1-phase cells. Within five years half of the patients with a high proportion of G0/G1-phase cells survived in contrast to 10% of patients in the other group. These data demonstrate that in addition to the well known clinical and histological factors independent cytometric prognostic factors in epidermoid carcinoma of the lung exist.
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