Multiple hereditary exostoses

Case contributed by Aditya Shetty
Diagnosis certain

Presentation

Mutiple areas of swelling in lower limbs with deformity.

Patient Data

Age: 15
Gender: Male
x-ray

Multiple bony outgrowths (away from the joint) noted in bilateral lower limbs and right femur.

Bony ankylosis and deformity in the lower limbs.

Annotated image

Yellow arrows indicate multiple exostoses arising from proximal diaphyseal ends of tibia and fibula in the right lower limb.

Red arrow indicates bony deformity.

Case Discussion

Case of mulitple hereditary exostoses.

Also known as diaphyseal achalasia.

Typical pattern is bilateral and symmetric lesions.

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