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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Multicentric, multifocal, and recurrent osteoid osteoma of the hip: first case report

Fig. 2

A few months after percutaneous RFA of both lesions and a partial pain relief, the patient complained increased left hip pain and underwent hip MRI (a-e). Axial fat-saturated proton density-weighted images show the good outcome of the RFA with no marrow oedema on the anterior acetabulum (a, arrow) and femoral neck (b, arrow). Axial fat-saturated proton density-weighted (c), coronal T2-weighted (d) and coronal T1-weighted (e) MRI images well depict the third bone lesion on the posterior acetabulum (circle) with extensive adjacent bone marrow oedema (arrowheads). Then, CT-guided percutaneous RFA (f, open arrows) of the lesion of the posterior acetabulum was performed

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