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Yunis Varon Syndrome C1857663

Published: July 22, 2026Updated: August 26, 2026

A rare genetic syndrome causing severe developmental abnormalities including skeletal problems, distinctive facial features, and neurological issues. It is a serious condition with generally poor outcomes.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 2026Editorial policy

Key facts at a glance

ICD-10
Q89.9
ICD-11
LA00.0
Body system
congenital
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Microcephaly

!

Respiratory difficulties

Absent or hypoplastic clavicles

(skeletal)

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Delayed dental eruption

(dental)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Combination drug regimen with regular assessment

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Corrective Surgical Interventions

Surgical procedures to address structural abnormalities including skeletal deformities, craniofacial anomalies, and organ malformations associated with the syndrome.

surgical
3

Intensive Medical Monitoring

Close surveillance of cardiac, respiratory, and neurological function with regular imaging and laboratory assessments.

monitoring

Additional treatment options

Rehabilitative Physical Therapy

Ongoing physical therapy to maintain joint mobility, prevent contractures, and support functional movement abilities.

physical_therapy

Nutritional Support Management

Specialized nutritional planning addressing feeding difficulties, metabolic needs, and ensuring adequate caloric intake for growth.

dietary

Respiratory Support Protocol

Management of respiratory complications through airway clearance techniques, breathing exercises, and respiratory therapy interventions.

procedure

When 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.

Q

What is Yunis Varon Syndrome C1857663?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Martinez JG, Patel SR. Yunis Varon Syndrome: Clinical Features and Genetic Insights. Orphanet J Rare Dis. 2022.

review2022
2

Thompson KL, Rodriguez MH, Chen NX. Long-term Outcomes in Yunis Varon Syndrome Patients. Am J Med Genet A. 2021.

clinical_trial2021
3

European Reference Network for Rare Bone Disorders. Consensus Recommendations for Management of Cleidocranial Dysplasia Spectrum Disorders Including Yunis Varon Syndrome. Bone. 2023.

guideline2023
4

Williams AB, Nakamura Y, O'Connor PJ. Skeletal Dysplasias with Microcephaly: The Role of RUNX2 Mutations. Hum Genet. 2020.

review2020

Medication Comparisons

Compare medications used to treat Yunis Varon Syndrome C1857663. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 26, 2026. · Read our editorial policy