Fig. 8From: CT arthrography for demonstration of various articular injuries in post-sprained ankle painCoronal CTA images of two different patients had chronic lateral ankle pain. a Focal compression of talar subchondral bone plate (black arrow), with intact overlying cartilage (white arrow) compatible with type I talar OCL. b Focal tibial subchondral cystic changes (black arrow), with overlying cartilage defect (white arrow) compatible with type IIA OCLBack to article page