Sandbox: MV

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What type of bone is involved? ❑ Long bone Where is the lesion located? ❑ Epiphysis ❑ Diaphysis ❑ Metaphysis ❑ Apophysis

What is the pattern involved? ❑ Osteoblastic ❑ Osteolytic ❑ Mixed What is the transversal location? ❑ Medullary ❑ Cortical ❑ Juxtacortical What type of margin is involved? ❑ Well defined ❑ Ill-defined ❑ Sclerotic Is there a periosteal reaction? ❑ Yes ❑ No What is the size?

❑ Flat bone

See differential diagnosis here

Benign

Malignant