Osteoblastoma: Radiographic Features

Presence of internal calcification and rapid increase in size

Smaller size and predominantly lytic lesions

Secondary aneurysmal bone cyst-like changes and surrounding sclerosis

Larger size and more frequent axial skeleton involvement (correct)

Small size and absence of soft tissue mass

Presence of an associated soft tissue mass with no internal calcification

Predominantly sclerotic lesions with internal calcification

Predominantly lytic lesions with a rim of reactive sclerosis (correct)

CT (correct)

MRI

Nuclear medicine

Plain radiograph

<p>High signal in surrounding bone marrow and soft tissues due to the 'flare phenomenon'</p> Signup and view all the answers

<p>Intense uptake, typical in all lesions exhibiting increased bone turnover</p> Signup and view all the answers