Hereditary multiple exostoses

Case contributed by Bahman Rasuli
Diagnosis certain

Presentation

Multiple hard swellings over bony areas of upper and lower limbs.

Patient Data

Age: 12 years
Gender: Male
x-ray
Frontal
Frontal
Frontal
Frontal
Frontal
Frontal
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Info

Multiple exostoses involving the femur, tibia, fibula, radius, ulna, and metacarpals bilaterally with subjacent medullary continuity.

The radius on the right side is bowed, with an increased ulnar inclination of the distal articular surface. The distal ulna also is markedly short, terminating approximately 12 mm proximal to the radius. 

Case Discussion

This case illustrates the typical appearance of hereditary multiple exostoses.

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