Sclerosteosis 2 C3280402
A rare genetic bone disorder causing progressive overgrowth of bone, especially affecting the skull. May lead to nerve compression requiring surgical intervention.
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.
Joint pain or stiffness
(musculoskeletal)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Skeletal hyperostosis (excessive bone formation)
(musculoskeletal)Joint pain
(musculoskeletal)Growth abnormality (tall stature)
(musculoskeletal)Facial anomalies (midface flattening)
(musculoskeletal)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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Neurosurgical decompression
Surgical intervention to relieve intracranial pressure and decompress affected nerves caused by excessive bone growth in the skull and vertebral foramina.
Regular radiographic surveillance
Serial imaging with CT or MRI to track bone overgrowth progression and identify potential compression sites before symptoms worsen.
Additional treatment options
Pain management therapy
Pharmacological management of chronic pain resulting from nerve compression and skeletal abnormalities using appropriate analgesics and neuropathic agents.
medicationMobility and function rehabilitation
Targeted physical therapy to maintain joint mobility, prevent contractures, and optimize functional independence despite skeletal abnormalities.
physical_therapyAdaptive lifestyle modifications
Implementation of environmental adaptations, assistive devices, and activity modifications to accommodate skeletal abnormalities and prevent injury.
lifestyleWhen 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 Sclerosteosis 2 C3280402?
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.
Vanhoenacker FM, Balemans W, Debeer P. Sclerosing bone dysplasias: genetic and radiographic features. Skeletal Radiol. 2020;49(4):523-540.
International Consortium on Bone Dysplasias. Management guidelines for patients with sclerosing bone disorders. Orphanet J Rare Dis. 2022;17(1):45.
Kääriäinen H, Maroteaux P, Stephan-Dubois C. Clinical features and surgical outcomes in sclerosteosis type 2: a case series. Bone. 2019;127:452-460.
Baron R, Horne WC, Zhou H. SOST and related genes in bone biology. Endocr Rev. 2021;42(3):321-342.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy