A 15 yr school going student complains of moderate amount of occasional pain and swelling over the right knee joint. X ray was done which shows a lesion in right femoral distal epiphysis is suggestive of:
Chondroblastoma and GCT are epiphyseal tumours. GCT occurs in 20-40th decade Chondroblastoma 8-16 years of age group . Mc site of chondroblastoma is epiphysis of the distal femur Xray - expansile, epiphyseal, slightly symmetrically expansile. Mimics synovitis C/F - pain and swelling. Biopsy :- Chicken wire calcification Rx curettage with bone grafting or bone curettage.
Enchondroma
Osteochondroma
Osteoclastoma
Chondroblastoma
Ohopaedics Q Bank