Osteoid osteoma


Always history and clinical exam play a significant role to narrow the differential diagnosis.
The radiograph, CT scan, MRI and skeletal scintigraphy (not shown due to unavailable soft copy) are pointing osteoid osteoma.
Radiofrequency thermal ablation was the management choice.
NB: ​Skeletal scintigraphy shows focal-high uptake at the same site.