Infantile malignant osteopetrosis

Abstract

Osteopetrosis, also known as marble bone disease, is a rare in which osteoclast dysfunction causes defective bone resorption and increased bone mass. This disease has been classified into four types. The most severe and rare form is infantile malignant osteopetrosis. So we reported and discussed two siblings patients with infantile malignant osteopetrosis with new knowledge in the literature.