Osteoid osteoma

Case contributed by Ahmed Abdrabou
Diagnosis almost certain

Presentation

Mid-leg localized pain aggravates at night and responds to analgesics.

Patient Data

Age: 18 years old
Gender: Male
ct
This study is a stack
Axial bone
window
This study is a stack
Sagittal
bone window
This study is a stack
Coronal
bone window
This study is a stack
3D
Reconstruction
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Info

A mid diaphyseal tibial tiny lytic cortical lesion is seen surrounded by extensive sclerosis and new bone formation and corresponds to the site of maximal pain. No cortical destruction or extra osseous soft tissue extension.

Case Discussion

The case represents classical appearance of osteoid osteoma as a cortical lytic lesion surrounded by sclerosis and new bone.

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