Heterotopic ossification

Case contributed by Ian Bickle
Diagnosis probable

Presentation

Chronic ankle pain. Reduced range of plantar/dorsiflexion. No known rheumatological disease.

Patient Data

Age: 65 years
Gender: Male
x-ray

Gross proliferation of irregular periarticular bone surrounding the ankle joint.

It is contiguous with the normal osseous structures, rather than purely soft tissue centered.

Case Discussion

Heterotopic ossification has a tendency to form at major synovial joints. This can result in a decline in range of motion of the affected joints.

It typically occurs in those with neurological injuries.

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