Fig. 3From: Arthroscopic microfracture with atelocollagen augmentation for osteochondral lesion of the talus: a multicenter randomized controlled trialPreoperative magnetic resonance imaging (MRI) showing (a-b) an osteochondral lesion of the talus (arrow). c-d, Complete filling of the osteochondral defect 2 years after arthroscopic microfracture with atelocollagen augmentationBack to article page