Fig. 1

a Pre-surgical anteroposterior and b lateral radiographs of the distal femur demonstrating an eccentrically located mildly expansile lesion in the medial distal femoral metaphysis and epiphysis that is predominantly lytic with some internal and peripheral linear ossification components. c Post-surgical anteroposterior and d lateral radiographs representing intralesional curettage, adjuvant treatment with burr and cryoablation, and cementation with internal fixation using a carbon fiber locking plate