Table 1.

Characteristics of osteopetrosis.

Characteristic	Adult Onset	Intermediate	Infantile
Inheritance	Autosomal dominant	Autosomal recessive	Autosomal recessive
Prevalence	1 in 20,000	–	1 in 250,000
Main Complaints	Increased risk of fractures, infection, cranial nerve defects	Increased risk of fractures, infection	Bone marrow failure
Diagnosis	Diagnosed incidentally	–	Diagnosed early (<1year age)
Prognosis	Good	Poor	Poor