Bone tumors

Q) A 16 year old boy presents with severe groin pain after kicking a football. Imaging confirms a pelvic fracture. A previous pelvic x-ray performed 2 weeks ago shows a lytic lesion with 'onion type' periosteal reaction. What is the lesion?

a) Giant cell tumor

b) Ewing's 

c) Osteosarcoma

d) Osteomalacia

Question  from theme of test 14 


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