Fig. 4

Comparison of different thresholds for DTI fiber tractography in the prostate and surrounding areas of a 61-year-old prostate cancer patient. Fiber tractography results generated using the following combinations of FA thresholds and angular thresholds: 0.25 with 75º (a1), 0.15 with 75º (a2), and 0.15 with 50º (a3)