False about myositis ossificans progressiva (child with heterotopic ossifications) is (AIIMS May 2011)
|A||Pneumonia is common|
|B||Life longevity is normal|
|C||Most common site involved is the spine|
|D||Onset is before 6 year|
Life longevity is normal
Myositis ossificans progressiva
a. Also known as Fibrodysplasia Ossificans Progressiva
b. This is a rare, progressive, autosomal dominant inherited disease in which the connective tissues of skeletal muscles, tendons, ligaments and fasciae become edematous, calcify and ossify.
c. The onset of the development of the lesion may be at any age but typically before the sixth year.
d. The most common site of involvement is in the spine and neck where huge sheets of bone are formed fusing the neck and back into a solid mass; in some, the thigh muscles may be affected.
e. The condition needs to be differentiated from traumatic myositis ossificans
f. No treatment is permanently effective.