Malignant Bone Neoplasms: Differentiating Radiologic Features between Primary and Secondary lesions

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Feature

Primary

Secondary

Incidence

30%

70%

Expansion of bone

+++

+

Joint involvement

---

---

Length of lesion

>6cm

2-4cm

Periosteal response

+++

+++

Solitary lesion

+++

+

Multiple lesions

+

+++

Soft tissue mass

+++

+


Category: Tumors Revision

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