Influence of iMRI-guidance on the extent of resection and survival of patients with glioblastoma multiforme.

Abstract:

:Intraoperative MRI (iMRI) is used in glioma surgery mainly to determine the extent of resection, allowing surgeons to immediately continue resection in case of residual tumor tissue. The aim of this study is to report on the influence of the use of iMRI on the extent of resection and survival of patients with glioblastoma multiforme (GBM). We analyzed our prospectively collected database of patients with GBM operated upon during the initial period after installation of an iMRI; between July 2004 and December 2005, all patients with GBM undergoing intended complete tumor resection were included in this study, while patients undergoing mere tumor biopsy or intended incomplete resection were not. In total, 43 Patients met the inclusion criteria. Of these, 10 patients (23.3%) were operated upon with the help of iMRI while 33 underwent conventional tumor resection. All patients underwent postoperative high-field MR imaging at 1.5 Tesla to determine the extent of resection. Subsequently, all patients received adjuvant treatment. Median patient age was 60.0 years; median overall survival was 70.7 weeks. Radiologically complete tumor resection (P < 0.001) and the administration of temozolomide chemotherapy (P < 0.01) were statistically significant prognostic factors in a multivariate analysis. The rate of complete tumor resections was significantly higher in the iMRI group than in the conventional surgery group (P < 0.05). Patient age was not a prognostic factor in our series of patients (P = 0.22). Intraoperative MRI is a helpful tool to increase the extent of resection in GBM surgery and thereby improve patient survival.

authors

Senft C,Franz K,Blasel S,Oszvald A,Rathert J,Seifert V,Gasser T

doi

10.1177/153303461000900404

subject

Has Abstract

pub_date

2010-08-01 00:00:00

pages

339-46

issue

4

eissn

1533-0346

issn

1533-0338

pii

c4304/c4308/Influence-of-iMRI-Guidance-on-the-Exte

journal_volume

9

pub_type

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