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17p11 2 Microduplication Syndrome C2931246

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

A chromosomal condition involving duplication on chromosome 17, related to Potocki-Lupski syndrome. Features often include developmental delays, learning challenges, and distinctive facial features.

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
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(congenital)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Seizures

(nervous_system)

Hypotonia

(musculoskeletal)

Congenital heart defect

(cardiovascular)

Hearing loss

(auditory)

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

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Regular Pediatric Specialty Follow-up

Consistent follow-up with genetics, cardiology, neurology, and developmental specialists to monitor for potential manifestations and intervene early when concerns arise.

monitoring

Additional treatment options

Social Skills Development Program

Group or individual intervention addressing social communication deficits, emotional regulation, and peer interaction difficulties commonly associated with the duplication.

psychological

Nutritional Support Services

Dietitian consultation to address feeding difficulties, nutritional deficiencies, or obesity risks associated with developmental syndromes, with individualized meal planning.

dietary

Parent and Caregiver Support Networks

Connection to support groups, respite services, and educational resources for families managing the complex needs associated with the microduplication syndrome.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is 17p11 2 Microduplication Syndrome C2931246?

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

Potocki LC, Lupski SM. Clinical manifestations and genetic basis of 17p11.2 microduplication syndrome. Am J Med Genet C Semin Med Genet. 2014;176(4):423-436.

review2014
2

Williams VC, Chen RS, Lee BH, et al. Consensus guidelines for the diagnosis and management of 17p11.2 microduplication syndrome. Genet Med. 2020;22(8):1423-1435.

guideline2020
3

Zhang F, Khainovski A, Dhar SU, et al. Molecular mechanisms of 17p11.2 duplication in Potocki-Lupski syndrome pathogenesis. Nat Genet Rev. 2018;19(6):351-368.

other2018
4

Toth-Fejel S, Magenis RE, Bui MR, et al. Neurodevelopmental phenotype and natural history of 17p11.2 microduplication syndrome: a systematic review. Orphanet J Rare Dis. 2022;17(1):285.

review2022

Medication Comparisons

Compare medications used to treat 17p11 2 Microduplication Syndrome C2931246. 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