Fig. 10From: Anatomical variation in the ankle and foot: from incidental finding to inductor of pathology. Part I: ankle and hindfootPeroneus quartus. 44-year-old man referred for follow-up of an osteochondral lesion in the talus. Axial FSE T1 images in different planes (a) proximal and (b) distal demonstrate the incidental finding of a peroneus quartus (white arrow). This descends to insert in the lateral aspect of the calcaneus, with a fleshy attachment (arrowhead)Back to article page