Autosomal recessive osteopetrosis

Autosomal recessive osteopetrosis

Definition

An autosomal recessive form of osteopetrosis caused by mutation(s) in at least 8 genes related to osteoclast function. This condition is characterized by the failure of osteoclasts to resorb bone, resulting in impaired bone modeling/remodeling, and skeletal fragility despite increased bone mass; it is also associated with hematopoietic insufficiency, hypocalcemia, disturbed tooth eruption, nerve entrapment syndromes, and growth impairment. Some cases are also associated with progressive neurological deterioration.

Also known as autosomal recessive malignant osteopetrosis, autosomal recessive osteopetrosis, autosomal recessive osteopetrosis (disease), infantile malignant osteopetrosis, OPTB, osteopetrosis (disease), autosomal recessive — per MONDO

Also identified as

Affected Organs

Organ Involvement Source
Bone element Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Bone element Disease Has Primary Anatomic Site NCIT · CC BY 4.0
Connective tissue Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Musculoskeletal system Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Musculoskeletal system Disease Has Primary Anatomic Site NCIT · CC BY 4.0