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Ideggyogy Sz. 2012 Jan 30;65(1-2):17-24.

[The clinical relevance of 1p19q codeletion of oligodendrogliomas at the Department of Neurosurgery in Debrecen].

[Article in Hungarian]

Author information

  • 1Debrecen Egyetem, OEC, Idegsebészeti Klinika, Debrecen. aklekner@yahoo.com

Abstract

OBJECT:

To determine the clinical relevance of 1p19q codeletion in case of patients treated between 2006 and 2008 with oligodendroglial tumor at the Department of Neurosurgery, University of Debrecen.

QUESTIONS:

Beside the traditional morphological investigations, methods of rapidly developing molecular pathology are also available for routine diagnostic procedures. Numerous studies confirm that the codeletion of the 1p and 19q alleles has a clinical relevance regarding the sensitivity for chemotherapy. In this study the connection between the 1p19q codeletion and clinical parameters was tested to evaluate the prognostic role of this genetic alteration in neurosurgical patients. METHODS, CLINICAL DATA: In the present study experiences about the clinical relevance of 1p19 codeletion is summarized. Between 2006 and 2008, 28 patients with brain tumor containing oligodendroglial component was tested for 1p19q codeletion. The result of the analysis was compared with clinical data such as tumor localization, extent of resection, histological grade, presence of astrocyte component, time of first recurrence, age and gender. Furthermore, the potency of 1p19q codeletion as a prognostic factor for chemosensitivity by analyzing the data of patients who underwent different treatment protocols was also evaluated.

RESULTS:

Our results suggest that 1p19q codeletion can be valued as a positive prognostic factor, which is concordant with the results available in the literature. We also found positive correlation with oligodendroglial component, recurrence free survival of grade III tumors, sensitivity to chemo- and radiotherapy, and inverse correlation with histological grade and age was detected.

CONCLUSION:

Though the 1p19q codeletion is currently not the part of the routine patient management, based on our study we found it appropriate for clinical use as a prognostic factor, and its predictive role in establishing oncotherapy can be also discussed.

PMID:
22338842
[PubMed - indexed for MEDLINE]
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