| Postoperative heterotopic calcification | Traumatic myositis ossificans | Myositis ossificans | Extraskeletal ossification | Myositis ossificans circumscripta | Ectopic ossification | Heterotopic ossification, cervical spine | Peri-spinal heterotopic ossification | Heterotopic ossification, posterior thoracic spine | Heterotopic ossification, posterior cervical spine | Heterotopic ossification, anterior cervical spine | Heterotopic ossification, anterior thoracic spine | Heterotopic ossification, anterior lumbar spine | Heterotopic ossification, posterior lumbar spine | Heterotopic ossification, thoracic spine | Heterotopic ossification, lumbar spine | Heterotopic ossification | Myositis Ossificans | Fibrodysplasia Ossificans Progressiva | Progressive Myositis Ossificans | Progressive Ossifying Myositis | Myositis Ossificans Progressiva |
