Patient aged 30 yr presented with swelling around knee Aspirate shows giant cells and mononuclear cells Most likely diagnosis is
Gaint cell tumour
Osteosarcoma
Chondroblastoma
Ewing's sarcoma
Giant cells present in i Gaint cell tumor= epilphyseal tumour ii Chondroblastoma REF : MAHESWARI 9TH ED
All India exam