Myositis ossificans
| Myositis ossificans progressiva | |
|---|---|
| Fibrodysplasia ossificans progressiva | |
| Specialty | Rheumatology |
Myositis ossificans comprises two syndromes characterized by heterotopic ossification (calcification) of muscle. In 2020, the World Health Organization classified myositis ossificans together with fibro-osseous pseudotumor of digits as a single specific entity in the category of fibroblastic and myofibroblastic tumors.