Abstract
Chondroblastoma is an uncommon osseous neoplasm. It accounts for less than 1% of all bone tumors. Tumors of the medial malleolus are rare, and even rarer is the chondrogenic tumors of the medial malleolus...
Highlights
The most common anatomical site involved by this tumor is the proximal humerus, followed by the distal femur, proximal femur, proximal tibia, talus and innominate bone, in descending order
The proximal tibia is the most common location; but there is near even distribution of cases between the proximal tibia, proximal humerus, proximal femur, and distal femur [4,5,6]
Chondroblastoma has a predilection for the epiphysis or apophysis of the distal femur, proximal humerus, proximal tibia. 10% of chondroblastoma affect the small bones of the hands and feet, with talus and calcaneum being the most common sites [5,6]
Summary
A 29-year-old male, presented to the OPD of AIIMS Rishikesh with complaints of swelling localized to the left medial malleolus, for 1.5 years. He had pain over the swelling for 5 months. Digital X-Ray (Figure 1) revealed an eccentrically located, well defined, radiolucent, lobulated lesion, with a thin sclerotic border, exhibiting a geographical pattern of bone destruction, involving left medial malleolus. Follow up after 6 months showed no evidence of recurrence, with a normal range of movements at the ankle joint
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