An 8 year old boy presents with a gradually progressing swelling and pain since 6 months over the upper tibia.On X-ray,there is a lytic lesion with selerotic margins in the upper tibial metaphysis.The diagnosis is:

An 8 year old boy presents with a gradually progressing swelling and p

1.	An 8 year old boy presents with a gradually progressing swelling and pain since 6 months over the upper tibia.On X-ray,there is a lytic lesion with selerotic margins in the upper tibial metaphysis.The diagnosis is:
A.	Osteogenic sarcoma
B.	Osteoclastoma
C.	Brodie's abscess
D.	Ewing's sarcoma
Answer» D. Ewing's sarcoma