Osteoid osetoma

Case contributed by Dr Henry Knipe

Presentation

Eight months of worsening right thigh pain.

Patient Data

Age: 11 years
Gender: Female
X-ray

There is diffuse thickening of the anterolateral distal femoral diaphyseal cortex with loss of corticomedullary differentiation as well as expansion. No aggressive periosteal reaction is identified. No discrete lucency or associated soft tissue mass.

CT

There is dense right distal femoral diaphyseal cortical thickening with a central nidus. Patchy hyperostosis within the medullary cavity. No adjacent soft tissue abnormality.

Case Discussion

Typical appearances of an osteoid osteoma

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Case information

rID: 42097
Case created: 6th Jan 2016
Last edited: 3rd Jun 2017
Inclusion in quiz mode: Included

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