Osteoid osteoma

Case contributed by Dr Hanisalam
Modality: X-ray

Cortical thickening and sclerosis is noted within the mid to distal femur. No periosteal reaction or other aggressive features. 

Modality: CT

Small central lucency representing the nidus is noted within the thickened, sclerotic cortex. 

Case Discussion

This lesion is an osteoid osteoma. CT is more sensitive than plain film at detecting a small nidus. 

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Case Information

rID: 8507
Case created: 7th Feb 2010
Last edited: 28th Nov 2015
Inclusion in quiz mode: Included

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