Autosomal Recessive Osteopetrosis 4 C1969106
A rare inherited bone disease where bones become abnormally thick and brittle. Symptoms often appear in infancy and may affect growth, hearing, and vision. Treatment is tailored to severity.
Key facts at a glance
- ICD-10
- Q79.9
- ICD-11
- LA00.0
- Body system
- musculoskeletal
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Vision impairment
Fractures
(musculoskeletal)Joint pain or stiffness
(musculoskeletal)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Bone pain
(musculoskeletal)Anemia
(hematologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Calcitriol Treatment
Active vitamin D3 therapy to enhance calcium homeostasis and support bone remodeling processes. Part of standard medical management for osteopetrosis subtypes.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Neurosurgical Decompression
Surgical relief of optic nerve or spinal cord compression when neurological deficits develop. May include optic canal unroofing or laminectomy depending on location.
Additional treatment options
Hematopoietic Stem Cell Transplantation
Considered for appropriate candidates with severe disease phenotype. Can provide long-term disease modification or cure when successful.
procedureRehabilitative Exercise Program
Customized physical therapy addressing motor delays, joint range of motion limitations, and functional mobility. Emphasizes safe movement patterns and adaptive techniques.
physical_therapyNutritional Optimization
Comprehensive nutritional support including adequate vitamin D, calcium, and protein intake to support bone health and overall growth. May include supplementation when dietary intake is insufficient.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Autosomal Recessive Osteopetrosis 4 C1969106?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Sobacchi C, Schulz A, Coxon FP, et al. Osteopetrosis: genetics, treatment and new insights into osteoclast function. Nat Rev Endocrinol. 2022.
Palagano E, Menale C, Sobacchi C, et al. Genetics of osteopetrosis: a narrative review. J Clin Med. 2021.
Frattini A, Orchard PJ, Sobacchi C, et al. Hematopoietic stem cell transplantation in autosomal recessive osteopetrosis: a multicenter study. Bone Marrow Transplant. 2019.
Kornak U, Kasper D, Jentsch TJ. Physiology and pathophysiology of osteoclasts. In: Primer on the Metabolic Bone Diseases and Disorders of Mineral Metabolism. 9th ed. Wiley-Blackwell; 2020.
Medication Comparisons
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy