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CHILD syndrome
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Condition

CHILD syndrome

CHILD syndrome is a rare genetic disorder characterized by skin abnormalities and limb defects that typically affect only one side of the body. This condition occurs almost exclusively in females and is caused by mutations in the NSDHL gene.

Overview

CHILD syndrome is a condition that affects the development of several parts of the body. The name of the condition is an acronym of the major features: congenital hemidysplasia with ichthyosiform erythroderma and limb defects. The signs and symptoms of this disorder may vary from person to person, but they are typically limited to only one side of the body ("hemi-" means "half," and "dysplasia" refers to abnormal growth). The right side of the body is affected more often than the left side.

People with CHILD syndrome often have a skin condition characterized by large patches of skin that are red and inflamed (erythroderma) and covered with yellow, flaky scales (ichthyosis). This condition is most likely to occur in skin folds and creases and usually does not affect the face. The skin abnormalities are typically present at birth or appear within the first few weeks of life and may improve with time.

CHILD syndrome may also disrupt the formation of the arms and legs during early development. Some children with this disorder have shortened bones in the fingers or toes, while others have shortened or missing limbs. The

Frequently Asked Questions

CHILD syndrome is caused by mutations in the NSDHL gene and is inherited in an X-linked dominant manner. However, it is often lethal in males, which is why it is seen almost exclusively in females. For affected females, there is a 50% chance of passing the condition to each child. Genetic counseling is highly recommended for families to understand their specific risks.
CHILD syndrome is usually diagnosed based on a physical examination at birth or shortly after, observing the characteristic unilateral skin abnormalities and limb defects. Genetic testing for mutations in the NSDHL gene can confirm the diagnosis.
The long-term outlook for individuals with CHILD syndrome varies widely depending on the severity of the limb defects and any internal organ involvement, though the context primarily focuses on skin and limbs. The skin condition often improves with age, but limb abnormalities may require ongoing management. Most individuals can lead fulfilling lives with appropriate medical and supportive care.
Management of CHILD syndrome involves a multidisciplinary approach. Skin abnormalities are often treated with topical emollients, corticosteroids, or retinoids to reduce redness and scaling. Limb defects may require orthopedic interventions, physical therapy, or prosthetics to improve function and mobility.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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