The presence of cartilaginous bodies in the ankle joint was first reported by Monro in 1856 . Term and nature of osteochondritis dissecans (OCD) were described in classic reports of König and Rendu [2, 3]. Davidson et al., Flick and Gould and Nash and Baker have all discussed the late finding of OCD lesions after an initially diagnosed “sprained ankle” [4–6]. Canale and Bending further emphasised trauma as a causative factor . Lateral lesions cause more symptoms than medial OCDs. Also, lateral lesions have a higher incidence of a previous traumatic event. The head of the talus represents a less frequent location of talar OCD lesions, although recently, this location has also been described .
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