期刊
NEUROLOGICAL SCIENCES
卷 42, 期 8, 页码 3389-3395出版社
SPRINGER-VERLAG ITALIA SRL
DOI: 10.1007/s10072-020-04950-0
关键词
Multiple sclerosis; Brain tumor; Neuroimaging; Magnetic resonance spectroscopy; Support vector machine
资金
- Sakarya University BAPK [2015-50-02-012]
This study successfully differentiated multiple sclerosis (MS) and low-grade brain tumors using MRS data and CAD methods, achieving 100% accuracy, sensitivity, and specificity. MR spectroscopy and artificial intelligence methods may serve as complementary imaging techniques to MRI in the differentiation of MS lesions and brain tumors.
Some multiple sclerosis (MS) lesions may have great similarities with neoplastic brain lesions in magnetic resonance (MR) imaging and thus wrong diagnoses may occur. In this study, differentiation of MS and low-grade brain tumors was performed with computer-aided diagnosis (CAD) methods by magnetic resonance spectroscopy (MRS) data. MRS data belonging to 51 MS and 39 low-grade brain tumor patients were obtained. The feature extraction from MRS data was performed by the help of peak integration (PI) and full spectra (FS) methods and the most significant features were identified. For the classification step, artificial neural network (ANN), support vector machine (SVM), and linear discriminant analysis (LDA) methods were used and the differentiation between MS and brain tumor was performed automatically. Examining the results, one can conclude that data which belong to MS and low-grade brain tumor cases were automatically differentiated from each other with the help of ANN with 100% accuracy, 100% sensitivity, and 100% specificity. Using of MR spectroscopy and artificial intelligence methods may be useful as a complementary imaging technique to MR imaging in the differentiation of MS lesions and low-grade brain tumors.
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