Diaphyseal aclasis

Case contributed by Ahmed Abdrabou
Diagnosis almost certain

Presentation

Bilateral knee pain

Patient Data

Age: 25 years
Gender: Male
x-ray

Multiple broad base sessile exostosis from metadiaphysis of femur and tibia.

Case Discussion

Multiple hereditary exostosis or diaphyseal achlasis is an autosomal dominant condition with increased risk of malignant transformation.

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