Check for OCD. Right ankle sprain localized to lateral aspects A small focal 4 mm lucency is observed along the medial aspect of the talar dome, concerning for an OCD. MRI may be needed to confirm and properly evaluate. Superimposed mild degenerative changes are otherwise identified most pronounced along the lateral aspects and lateral malleolus. In light of the patient's history and overlying diffuse mild to moderate swelling greater on the lateral aspects, ligamentous injury is most likely.The Achilles and remaining visualized osseous structures are otherwise intact
Degenerative changes and possible talar dome OCD is observed. See recommendation provided