Heterotopic ossification

Heterotopic ossification is the formation of mature lamellar bone in extra-osseous soft tissues. It can be initiated by injury, viral infection, overuse or occur spontaneously. Extensive heterotopic ossification of a joint can lead to clinically important contractures and even complete ankyloses.

Symptom management may exist of corticosteroids, nonsteroidal anti-inflammatory drugs (NSAIDs).

The first features are often tumour like smellings.

Last modified
6 April 2021

M61.50 Other ossification of muscle, unspecified site

Rare Condition

Fibrodysplasia Ossificans Progressiva

Fibrodysplasia Ossificans Progressiva is a rare genetic disorder in which connective tissue and muscle tissue are gradually ossified. Extra-skeletal bone formation causes progressive loss of...


Tumor-like swellings other can as occurring in

Formation of heterotopic bone such as occurring...

General Medical Guideline