Abstract
✓ This study includes 182 patients with intracranial gliomas who received bromodeoxyuridine (BUdR), 200 mg/sq m intravenously, at the time of craniotomy but before tumor biopsy. The tumor specimens were stained for BUdR using the immunoperoxidase method; the BUdR labeling index (LI), or S-phase fraction, was calculated as the percentage of BUdR-positive cells. The median BUdR LI's for 127 primary moderately anaplastic astrocytomas, highly anaplastic astrocytomas, and glioblastomas (< 1%, 2.7%, and 7.3%, respectively; range 0% to 38.1%) were not significantly different from those of 55 similar recurrent tumors (< 1%, 4.3%, and 7.4%, respectively; range 0% to 30.5%). The mean LI was significantly higher in tumors from patients over 50 years of age than in tumors from younger patients (p < 0.001). This age-related difference in LI's was found in both groups of patients with astrocytomas but not in those with glioblastomas. Kaplan-Meier survival curves showed a significantly greater probability of survival among patients whose tumors had LI's of less than 1% than among those with LI's greater than 5%; survival probability of patients with tumor LI's of 1% to 5% was intermediate between the two extremes. Thus, the BUdR LI appears to reflect the proliferative potential more accurately than the histopathological diagnosis and should therefore be considered an important factor in determining the prognosis of individual patients with intracranial gliomas and in selecting their treatment.
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Dates
Type | When |
---|---|
Created | 16 years, 3 months ago (May 8, 2009, 12:23 p.m.) |
Deposited | 2 years, 5 months ago (March 26, 2023, 5:26 p.m.) |
Indexed | 2 months, 1 week ago (June 21, 2025, 12:48 a.m.) |
Issued | 35 years, 11 months ago (Sept. 1, 1989) |
Published | 35 years, 11 months ago (Sept. 1, 1989) |
Published Print | 35 years, 11 months ago (Sept. 1, 1989) |
@article{Hoshino_1989, title={Prognostic implications of the bromodeoxyuridine labeling index of human gliomas}, volume={71}, ISSN={0022-3085}, url={http://dx.doi.org/10.3171/jns.1989.71.3.0335}, DOI={10.3171/jns.1989.71.3.0335}, number={3}, journal={Journal of Neurosurgery}, publisher={Journal of Neurosurgery Publishing Group (JNSPG)}, author={Hoshino, Takao and Prados, Michael and Wilson, Charles B. and Cho, Kyung Gi and Lee, Kyu-Sung and Davis, Richard L.}, year={1989}, month=sep, pages={335–341} }