PMC5573787_01
Anteroposterior of the 12-year old patient showed a radiolucent alteration at the apex of the left medial malleolus. The rest of the ankle joint is normal.
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The radiography showed a radiolucent focal uptake in the medial malleolus apex and a partially fused secondary ossification center of the medial malleolus (Fig. 1).
Coronal and sagittal CT scan show a fragmentation on the apex of the symptomatic left medial malleolus.
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CT scan and a MRI were performed. CT scan showed fragmentation at the tip of the medial malleolus (Fig. 2) and MRI demonstrated the presence of fragmentation and bone-marrow edema at the medial malleolus (Fig. 3) which led to the diagnosis of osteochondrosis of the medial malleolus.