Ability of ¹⁸F-FDG PET/CT Radiomic Features to Distinguish Breast Carcinoma from Breast Lymphoma

Table 3

Parameters used in each differential model.

Method	Parameters
SUV metrics	SUVmax
CT predicted variable	HISTO_kurtosis	SHAPE_volume (mL)
	GLCM_homogeneity	GLRLM_RLNU
	NGLDM_busyness	GLZLM_LZHGE
PET predicted variable	HISTO_entropy_log10	SHAPE_volume(# vx)
	GLCM_entropy_log10	NGLDM_contrast
	GLRLM_HGRE	GLZLM_HGZE
Combination of PET and CT texture parameters	HISTO_kurtosis	SHAPE_volume (mL)
	GLCM_homogeneity	GLRLM_RLNU
	NGLDM_busyness	GLZLM_LZHGE
	HISTO_entropy_log10	SHAPE_volume(# vx)
	GLCM_entropy_log10	NGLDM_contrast
	GLRLM_HGRE	GLZLM_HGZE

Abbreviations: HISTO, histogram; GLCM, gray-level co-occurrence matrix; GLRLM, gray-level run-length matrix; HGRE, high gray-level run emphasis; GLZLM, gray-level zone-length matrix; HGZE, high gray-level zone emphasis; RLNU, run-length nonuniformity; LZHGE, long-zone high gray-level emphasis.