Changes in radiomic and radiologic features in meningiomas after radiation therapy

BMC Medical Imaging

Table 3 Radiomic features extracted from brain MRI that were significantly relevant with meningioma of radiation treatment from univariate analysis

Filter & Feature types	Radiomic Features
Original & Shape	original_shape_Compactness2 original_shape_SphericalDisproportion
Square & Texture	square_gldm_SmallDependenceLowGrayLevelEmphasis square_glszm_ZoneEntropy square_glcm_ Idmn
Logarithm & Texture	logarithm_glcm_Idn logarithm_glszm_SmallAreaEmphasis logarithm_ngtdm_Strength
Exponential & Texture	exponential_gldm_SmallDependenceLowGrayLevelEmphasis
Original & Texture	original_glszm_GrayLevelNonUniformityNormalized
First order	squareroot_firstorder_Kurtosis square_firstorder_10Percentile logarithm_firstorder_Skewness wavelet-LLL_firstorder_Kurtosis
Wavelet& Texture	wavelet-LLL_glcm_Idmn wavelet-LHL_glcm_Idmn wavelet-HLH_glcm_MCC wavelet-LLL_glcm_Idmn wavelet-LHL_gldm_DependenceEntropy wavelet-HLL_glcm_Correlation wavelet-HLH_gldm_LargeDependenceEmphasis wavelet-LHL_glrlm_LongRunHighGrayLevelEmphasis wavelet-HHL_glrlm_RunEntropy wavelet-HHH_glszm_SizeZoneNonUniformityNormalized

gldm, gray-level dependence matrix; glszm, gray level size zone matrix; glcm, gray-level co-occurrence matrix; Idmn, inverse difference moment normalized; Idn, inverse difference normalized; ngtdm, neighboring gray tone difference matrix; MCC, maximal correlation coefficient; glrlm, gray level run length matrix
Filter types: Original, Square, Squareroot, Logarithm, Exponential, Wavelet
Feature types: Firstorder, Texture, Shape

ISSN: 1471-2342