Fig. 1From: Direct femoral head approach without surgical dislocation for femoral head chondroblastoma: a report of two casesPreoperative images: Case 1. a X-ray image showing a 2 cm × 2 cm osteolytic lesion with a marginal sclerotic rim. b MRI revealing a lesion that is low intensity on T1 (left) and heterogeneously high intensity on T2 (right) imaging, with perilesional edemaBack to article page