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Abstract

Extirpation of glioblastomas: MR and CT follow-up of residual tumor and regrowth patterns.

M Forsting, F K Albert, S Kunze, H P Adams, D Zenner and K Sartor
American Journal of Neuroradiology January 1993, 14 (1) 77-87;
M Forsting
Department of Neuroradiology, University of Heidelberg Medical School, Germany.
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F K Albert
Department of Neuroradiology, University of Heidelberg Medical School, Germany.
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S Kunze
Department of Neuroradiology, University of Heidelberg Medical School, Germany.
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H P Adams
Department of Neuroradiology, University of Heidelberg Medical School, Germany.
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D Zenner
Department of Neuroradiology, University of Heidelberg Medical School, Germany.
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K Sartor
Department of Neuroradiology, University of Heidelberg Medical School, Germany.
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Abstract

PURPOSE To optimize the timing of CT and MR after glioblastoma resection and to define the pattern of tumor regrowth.

SUBJECTS AND METHODS Sixty-eight patients with glioblastoma were studied prospectively with CT and MR. The first postoperative scan was obtained between day 1 and day 5; follow-up scans were obtained bimonthly.

RESULTS Residual tumor was shown most reliably on scans obtained shortly after surgery (MR, 77%; CT, 40.5%). After the fourth day up to 3 months postoperatively, surgically induced enhancement prevented recognition of residual tumor. Seventy-five percent of patients with residual tumor shown by early postoperative MR had progressive disease during follow-up, whereas only 36% of patients without evidence of residual tumor had MR signs of progressive disease.

CONCLUSION Early, enhanced, postoperative MR is the radiologic procedure of choice to determine the extent of glioblastoma resection. Gross total tumor resection as determined by early postoperative MR correlates with a prolongation of life.

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American Journal of Neuroradiology
Vol. 14, Issue 1
1 Jan 1993
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Extirpation of glioblastomas: MR and CT follow-up of residual tumor and regrowth patterns.
M Forsting, F K Albert, S Kunze, H P Adams, D Zenner, K Sartor
American Journal of Neuroradiology Jan 1993, 14 (1) 77-87;

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Extirpation of glioblastomas: MR and CT follow-up of residual tumor and regrowth patterns.
M Forsting, F K Albert, S Kunze, H P Adams, D Zenner, K Sartor
American Journal of Neuroradiology Jan 1993, 14 (1) 77-87;
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