Showing posts with label periosteal reaction. Show all posts
Showing posts with label periosteal reaction. Show all posts

Wednesday, January 2, 2008

17 - ewings sarcoma

1- onion peel appearance on x ray is seen in?

a- osteosarcoma
b- ewings sarcoma
c- osteoclastoma
d- osteochondroma

answer is b . ewing's sarcoma .

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