Contrast Media & Molecular Imaging / 2019 / Article / Tab 3 / Research Article
Differentiation of Pituitary Adenoma from Rathke Cleft Cyst: Combining MR Image Features with Texture Features Table 3 Differences of texture features between pituitary adenoma and Rathke cleft cyst on the contrast-enhanced image and T2WI based on the Mann–Whitney U test.
Texture feature, mean (range) Contrast-enhanced image T2WI Pituitary adenoma Rathke cleft cyst Pituitary adenoma Rathke cleft cyst Histo Energy 0.05 (0.02∼0.14) 0.07 (0.03∼0.13) <0.001 0.05 (0.03∼0.13) 0.05 (0.02∼0.14) 0.263 Entropy 1.42 (1.00∼1.75) 1.33 (1.07∼1.59) 0.002 1.40 (1.11∼1.62) 1.45 (1.07∼1.68) 0.078 Kurtosis 4.93 (1.70∼41.27) 8.82 (2.91∼21.31) <0.001 6.07 (1.59∼28.98) 5.40 (1.51∼20.23) 0.599 Skewness 0.25 (−1.19∼4.67) 1.25 (−1.72∼3.23) <0.001 0.27 (−2.87∼3.34) −0.43 (−3.37∼1.56) 0.004 GLCM Correlation 0.58 (0.27∼0.85) 0.44 (0.09∼0.82) <0.001 0.52 (0.11∼0.89) 0.45 (−0.34∼0.86) 0.173 Contrast 41.01 (6.64∼161.70) 43.19 (4.54∼154.60) 0.600 49.76 (11.81∼146.29) 84.69 (9.40∼717.59) 0.028 Dissimilarity 4.31 (1.66∼9.10) 3.98 (1.39∼8.74) 0.310 4.60 (2.25∼8.63) 5.64 (1.852∼22.209) 0.108 Energy 0.01 (0.00∼0.03) 0.01 (0.00∼0.04) <0.001 0.01 (0.00∼0.03) 0.01 (0.00∼0.03) 0.566 Entropy 2.60 (1.76∼3.08) 2.34 (1.87∼2.85) <0.001 2.60 (1.91∼3.00) 2.52 (1.85∼2.98) 0.579 Homogeneity 0.30 (0.21∼0.54) 0.40 (0.25∼0.57) 0.001 0.30 (0.22∼0.51) 0.34 (0.16∼0.53) 0.984
T2WI, T2-weighted image; Histo, histogram-based matrix; GLCM, grey-level co-occurrence matrix.