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Mowat Wilson Syndrome Due To Monosomy 2q22 C5437617

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

A chromosome deletion syndrome involving loss of genetic material from chromosome 2. It causes intellectual disability, characteristic facial features, and sometimes congenital heart or other organ anomalies. Treatment is supportive and addresses individual symptoms.

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.

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Hirschsprung disease

(gastrointestinal)

Agenesis of corpus callosum

(neurological)

Congenital heart defects

(cardiovascular)

Renal agenesis

(genitourinary)

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

Anticonvulsant therapy

Seizure management using appropriate anticonvulsant medications selected based on seizure semiology and EEG findings. Regular follow-up to assess efficacy and side effects.

medication
2

Evidence-based pharmacological treatment

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

medication
3

Gastrointestinal surgical intervention

Surgical management of Hirschsprung disease or other GI anomalies associated with monosomy 2q22 deletion. May include pull-through procedures or colostomy depending on severity.

surgical

Additional treatment options

Comprehensive cardiac screening

Echocardiography and cardiology follow-up due to high incidence of congenital heart defects in patients with monosomy 2q22. Regular monitoring for progressive cardiac issues.

monitoring

Early developmental intervention

Intensive early intervention services including physical, occupational, and speech therapy to maximize developmental potential and address hypotonia.

physical_therapy

Neuropsychological support services

Ongoing neuropsychological assessment and support addressing intellectual disability, behavioral challenges, and family counseling for caregivers.

psychological

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 Mowat Wilson Syndrome Due To Monosomy 2q22 C5437617?

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

general

Medication Comparisons

Compare medications used to treat Mowat Wilson Syndrome Due To Monosomy 2q22 C5437617. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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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