Glioma grading using structural magnetic resonance imaging and molecular data

Syed M. S. Reza; Manar D. Samad; Zeina A. Shboul; Karra A. Jones; Khan M. Iftekharuddin

doi:10.1117/1.JMI.6.2.024501

24 April 2019 Glioma grading using structural magnetic resonance imaging and molecular data

Syed M. S. Reza, Manar D. Samad, Zeina A. Shboul, Karra A. Jones, Khan M. Iftekharuddin

Author Affiliations +

Journal of Medical Imaging, Vol. 6, Issue 2, 024501 (April 2019). https://doi.org/10.1117/1.JMI.6.2.024501

Abstract

A glioma grading method using conventional structural magnetic resonance image (MRI) and molecular data from patients is proposed. The noninvasive grading of glioma tumors is obtained using multiple radiomic texture features including dynamic texture analysis, multifractal detrended fluctuation analysis, and multiresolution fractal Brownian motion in structural MRI. The proposed method is evaluated using two multicenter MRI datasets: (1) the brain tumor segmentation (BRATS-2017) challenge for high-grade versus low-grade (LG) and (2) the cancer imaging archive (TCIA) repository for glioblastoma (GBM) versus LG glioma grading. The grading performance using MRI is compared with that of digital pathology (DP) images in the cancer genome atlas (TCGA) data repository. The results show that the mean area under the receiver operating characteristic curve (AUC) is 0.88 for the BRATS dataset. The classification of tumor grades using MRI and DP images in TCIA/TCGA yields mean AUC of 0.90 and 0.93, respectively. This work further proposes and compares tumor grading performance using molecular alterations (IDH1/2 mutations) along with MRI and DP data, following the most recent World Health Organization grading criteria, respectively. The overall grading performance demonstrates the efficacy of the proposed noninvasive glioma grading approach using structural MRI.

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Syed M. S. Reza, Manar D. Samad, Zeina A. Shboul, Karra A. Jones, and Khan M. Iftekharuddin "Glioma grading using structural magnetic resonance imaging and molecular data," Journal of Medical Imaging 6(2), 024501 (24 April 2019). https://doi.org/10.1117/1.JMI.6.2.024501

Received: 2 January 2019; Accepted: 1 April 2019; Published: 24 April 2019

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