What is myositis ossificans?

Myositis ossificans (MO) is a benign pseudotumor developing in muscles. It develops as a painful, tender, enlarging mass and can sometimes be mistaken for a soft tissue tumor. MO can be caused by trauma but may have no identifiable cause. Treatment is typically surgical removal of the tumor.

How do members experience myositis ossificans?

*Reports may be affected by other conditions and/or medication side effects. We ask about general symptoms (anxious mood, depressed mood, fatigue, pain, and stress) regardless of condition.