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  • Title: The use of magnetic resonance imaging to noninvasively detect genetic signatures in oligodendroglioma.
    Author: Brown R, Zlatescu M, Sijben A, Roldan G, Easaw J, Forsyth P, Parney I, Sevick R, Yan E, Demetrick D, Schiff D, Cairncross G, Mitchell R.
    Journal: Clin Cancer Res; 2008 Apr 15; 14(8):2357-62. PubMed ID: 18413825.
    Abstract:
    BACKGROUND: Some patients with low-grade glioma have extraordinarily long survival times; current, early treatment does not prolong their lives. For this reason, therapies that sometimes have neurologic side effects are often deferred intentionally. METHODS: In a study of oligodendrogliomas, we used a quantitative method of MR analysis based on the S-transform to investigate whether codeletion of chromosomes 1p and 19q, a marker of good prognosis, could be predicted accurately by measuring image texture. RESULTS: Differences in texture were seen between tumors with codeletion of chromosomes 1p and 19q and those with intact 1p and 19q alleles on contrast-enhanced T1-weighted and T2-weighted MR images. Quantitative MR texture on T2 images predicted codeletion of chromosomes 1p and 19q with high sensitivity and specificity. CONCLUSIONS: This new method of MR image interpretation may have the potential to augment the diagnostic assessment of patients with suspected low-grade glioma.
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