Figure 9b. Peroneus brevis tendon loop (Lee procedure) in a 22-year-old woman. Sequential axial T1-weighted MR images (b obtained inferior to a) show one segment of the peroneus brevis tendon loop lateral to the fibula (arrow in a) and another segment coursing through a fibular tunnel (arrowhead in a) above the level of the tendon anastomosis (arrow in b).