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Osteoid Osteoma

Osteoid Osteoma

- small circumscribed osteoblastic lesion
- presents most frequently in males in 2nd decade
- proximal femur affected in 30%

Signs & Symptoms:
- dull pain that is worse at night
- relieved by ASA
- may cause localized swelling or limp depending on location

Xrays:
- lucent ‘nidus’ surrounded by dense reactive bone
- usu

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