Figure 6:

Application of texture analysis to CT images of bladder cancer. On original contrast-enhanced CT image of bladder cancer (top left), a high-attenuation lesion is clearly visible, and there is some evidence of intratumoral heterogeneity. However, when the texture features of energy (top right), entropy (bottom left), and homogeneity (bottom right) are displayed over the source image, intratumoral heterogeneity can be readily appreciated. Other studies have shown that higher intratumoral heterogeneity is associated with a worse prognosis.