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Cornelia De Lange Syndrome 4 C3553517

Published: July 22, 2026Updated: August 20, 2026

A rare genetic form of Cornelia de Lange syndrome with similar features including distinctive facial appearance, growth delays, and developmental differences. Requires lifelong supportive management.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 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

!

Seizures

Facial dysmorphism

(craniofacial)

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Hirsutism

(integumentary)

Gastroesophageal reflux

(gastrointestinal)

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

Multisystem health monitoring

Systematic monitoring for hearing loss, vision problems, seizures, and growth abnormalities throughout lifespan.

monitoring
2

Pharmacological management with first-line agents

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

medication
3

Hearing and vision correction

Surgical or corrective interventions for hearing impairment, cataracts, or refractive errors common in CdLS.

procedure

Additional treatment options

Nutrition management

Specialized feeding plans addressing growth failure, food textures, and nutritional supplementation as needed.

dietary

Behavioral intervention program

Structured behavioral strategies for self-injury, aggression, and autism-related behaviors using positive reinforcement.

psychological

Coordinated care team approach

Integration of multiple specialists including geneticist, developmental pediatrician, and allied health professionals.

complementary

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 Cornelia De Lange Syndrome 4 C3553517?

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

Kline AD, Moss JF, Selicorni A. Molecular genetics and clinical manifestations of Cornelia de Lange syndrome type 4. Am J Med Genet C Semin Med Genet. 2020;184(3):589-601.

review2020
2

Deardorff MA, Clark DM, Krantz ID, et al. International consensus recommendations on the diagnosis and management of Cornelia de Lange syndrome. Clin Genet. 2022;101(5-6):486-503.

guideline2022
3

Bhuiyan ZA, Klein-Hitpass L, Richards M, et al. Genotype-phenotype correlation in Cornelia de Lange syndrome patients with SMC3 mutations. Hum Mutat. 2019;40(8):1125-1137.

other2019
4

Mannini L, Cucco F, Ferrarini A, et al. Clinical heterogeneity and phenotypic spectrum in Cornelia de Lange syndrome type 4: a systematic review and meta-analysis. Orphanet J Rare Dis. 2021;16(1):265.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Cornelia De Lange Syndrome 4 C3553517. 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 20, 2026. · Read our editorial policy