A Case of Osteochondritis Dissecans of the Tibial Plafond of the Ankle

Most osteochondritis dissecans in the ankle is found in the talar dome. Osteochondritis dissecans of the tibial plafond is rarely reported. We experienced a case of osteochondritis dissecans of the tibial plafond of the ankle.A 28-year-old man visited our clinic complaining of right ankle pain. Radiography, CT, and MR imaging showed abnormality of the tibial plafond. It was diagnosed as osteochondritis dissecans of the tibial plafond of the ankle. We perfomed arthroscopy on the right ankle. There was a loose body which was too smal to fix, and there fore removed. The cause of osteochondritis dissecans of the tibial plafond of the ankle was inuestigated.