NCIt related terms : Marble Bone Disease; Benign Osteopetrosis; Autosomal Dominant Osteopetrosis Type 2; Albers-Schonberg Disease;
Alternative definition : NICHD: An autosomal dominant form of osteopetrosis due to mutation(s) in the CLCN7
gene, encoding H( )/Cl(-) exchange transporter 7. Clinical features include sclerosis
involving the spine, the pelvis, and the base of the skull. Complications can include
optic nerve compression, dental abscesses, anemia, and bone fragility. One third of
individuals who carry a CLCN7 mutation have a normal skeletal phenotype.;