A patient presents with pain in the thigh, relieved by aspirin. X-ray shows a radiolucent mass surrounded by sclerosis. Diagnosis is ?
AOsteoma
BOsteoclastoma
COsteoblastoma
DOsteoid osteoma
A 14 year old male presents with mushroom like tumor in the distal femur for past 2 years. Which of the following features suggest malignant transformation?
ACartilage thickness $>2 \mathrm{~cm}$
BPresence of cartilage cap
CLocation in metaphysis
DSize less than 1 cm
Which of the following is an epiphyseal tumor?
AOsteosarcoma
BOsteoid osteoma
CChondroblastoma
DAdamantinoma
+ 7 more in the PDF
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