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  • Title: Computerized tomography in the prognosis of malignant cerebral gliomas.
    Author: Murovic J, Turowski K, Wilson CB, Hoshino T, Levin V.
    Journal: J Neurosurg; 1986 Dec; 65(6):799-806. PubMed ID: 3021932.
    Abstract:
    Ninety-seven patients with supratentorial malignant gliomas who received postoperative radiation therapy and chemotherapy at the University of California, San Francisco, from 1977 through 1984 showed improvement in their follow-up computerized tomography (CT) scans. Twenty-one of these 97 "CT responders" were designated "complete responders" because on serial CT scans they had complete disappearance of the tumor mass and contrast enhancement, which had been present postoperatively. In the remaining 76 patients, CT scans showed reduction in the size, but not disappearance, of the lesions, and these were designated "partial responders." Fifty-eight partial responders had glioblastoma multiforme (GM); their median survival time was 72 weeks. The median survival time for the 11 complete responders with GM has not yet been achieved, but survival at the 53rd percentile is 172 weeks. Among patients with highly anaplastic astrocytoma, the median survival time was 211 weeks for the 10 complete responders and 125 weeks for the 18 partial responders. Eleven of the 21 complete responders are alive at a median postoperative follow-up time of 163 weeks (range 114 to 470 weeks). Eighteen of these patients had subtotal resection of tumor; three patients had gross total tumor resections, but postoperative CT scans showed evidence of residual or possibly recurrent tumor within 1.5 to 4.5 months. Resolution of the tumor mass and contrast enhancement took 9 to 151 weeks; the time to resolution did not depend upon the configuration of the remaining tumor mass and contrast enhancement after surgery. In this study, patients with malignant gliomas whose CT scans eventually showed sustained complete disappearance of the tumor mass and contrast enhancement had a more favorable prognosis than did patients whose CT scans showed improvement, but not complete disappearance, of the tumor. These CT findings may prove useful in determining the prognosis of patients with malignant gliomas.
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