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Insights into Imaging
Fig. 1 | Insights into Imaging

Fig. 1

From: Osteoid osteoma: the great mimicker

Fig. 1

Typical osteoid osteoma and percutaneous ablation. Male, 15 years old, presenting with medial hip pain for 2 months, which became worse at night. Axial T1 (a) and T2 FS (b) MR images showing a small cortical nidus (arrows) within the femur shaft with a target-like appearance, edema and sclerosis. CT (c) better detected the partially mineralized nidus (dotted arrow), cortical thickening and sclerosis than did MRI. CT percutaneous biopsy and radiofrequency ablation (d) were performed (dashed arrow)

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