autosomal recessive osteopetrosis 2
Findings
No curated finding names autosomal recessive osteopetrosis 2 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Any autosomal recessive malignant osteopetrosis in which the cause of the disease is a mutation in the TNFSF11 gene.
Definition from the Mondo Disease Ontology (MONDO:0009816), read 2026-09-29. CC BY 4.0.
- Inheritance
- Autosomal recessive inheritance
- Onset and course
- Infantile onset · Neonatal onset
HPO, annotations 2026-09-02
Features
9 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- AnemiaHPOHP:0001903
- 6 of 6 reported patients
- Decreased osteoclast countHPOHP:0030328
- 4 of 4 reported patients
- HepatosplenomegalyHPOHP:0001433
- 6 of 6 reported patients
- Recurrent fracturesHPOHP:0002757
- 4 of 6 reported patients
- HydrocephalusHPOHP:0000238
- 3 of 6 reported patients
- NystagmusHPOHP:0000639
- 2 of 6 reported patients
- BlindnessHPOHP:0000618
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- TNFSF11HGNC:11926
- Definitive · ClinGen · Autosomal recessive · 2024
- Strong · Genomics England PanelApp · Autosomal recessive · 2020
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2021
- Strong · PanelApp Australia · Autosomal recessive · 2025
- Moderate · Ambry Genetics · Autosomal recessive · 2024
Where it sits
- A kind of
Other names
8 names
Resolves to: autosomal recessive osteopetrosis 2
- Also called
- autosomal recessive malignant osteopetrosis caused by mutation in TNFSF11autosomal recessive osteopetrosis caused by mutation in TNFSF11autosomal recessive osteopetrosis type 2OPTB2osteopetrosis, autosomal recessive type 2TNFSF11 autosomal recessive malignant osteopetrosisTNFSF11 autosomal recessive osteopetrosisTNFSF11-related osteopetrosis