D2I2.
common

Myositis ossificans

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 .

Underlined words are explained — tap any of them.

Plain-language summary adapted from Wikipedia. Not medical advice.