A 45 yrs male presented with an expansile lesion in the centre of femoral metaphysis. The lesion shows endosteal scalloping & punctuate calcifications.Most likely diagnosis is -
You can simply solve this question by knowing very simple fact that punctate calcification is seen in cartilaginous tumors and amongst the given options, only chondrosarcoma is cartilaginous.
Osteosarcoma
Chondrosarcoma
Simple bone cyst
Fibrous Dysplasia