Orthonotes
Orthonotes
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v4.1 Fusion X
v4.1 Fusion X
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Osteoid Osteoma — Night Pain & RFA

Benign osteoblastic tumor

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Benign osteoblastic tumor <2 cm nidus, surrounded by reactive sclerosis. Classical symptom: severe night pain relieved by NSAIDs. Common sites: femur, tibia diaphysis; spine (posterior elements) may cause painful scoliosis. X‑ray: radiolucent nidus with central calcification, cortical thickening. Treatment: CT‑guided radiofrequency ablation is gold standard; surgical excision if RFA not feasible.
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