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Living with Cleft lip and palate-craniofacial dysmorphism-congenital heart defect-hearing loss syndrome

A rare genetic syndrome with cleft lip and palate, distinct facial features, heart differences, and hearing loss, without intellectual disability.

Understanding Cleft lip and palate-craniofacial dysmorphism-congenital heart defect-hearing loss syndrome

Cleft lip and palate-craniofacial dysmorphism-congenital heart defect-hearing loss syndrome is a rare genetic syndrome present from birth.

Cleft lip and palate can be on one or both sides. Facial features can include a prominent forehead, wide-set eyes, a broad flat nasal bridge, cupped ears, and a small lower jaw. Other features vary, such as heart differences, a sunken chest, hand and foot differences, eye problems, and hearing loss. GARD says there is no intellectual disability. It lists onset at birth.

Signs & symptoms

GARD doesn't list specific symptoms for this condition, but the summary describes:

  • Cleft lip and palate
  • Heart differences
  • Hearing loss
  • Wide-set eyes and small lower jaw
  • Sunken chest (pectus excavatum)
  • Nearsightedness or cataract

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include ear, nose, and throat specialists, genetic specialists and heart and blood vessel specialists.

  3. Consider genetic testing

    Changes in HYAL2 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    American Cleft Palate Craniofacial Association and World Craniofacial Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Ear, nose, and throat specialists (otolaryngologists); Genetic specialists (geneticists); Heart and blood vessel specialists (cardiologists)
Expert care
Expert lists: American Cleft Palate Craniofacial Association, World Craniofacial Foundation
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with American Cleft Palate Craniofacial Association and other patient organizations
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Can HYAL2 genetic testing confirm the diagnosis?
Should the heart and hearing be checked?
Which specialists should plan cleft care?

Quick facts

Symptoms usually startNewborn
InheritanceAutosomal Recessive
GenesHYAL2

GARD says changes in the HYAL2 gene cause this condition. It is autosomal recessive, so a child inherits a changed copy of the gene from each parent.

Genetic

Also known as: cleft lip and palate-craniofacial dysmorphism-congenital heart defect-deafness syndrome; cleft lip and palate, craniofacial dysmorphism, congenital heart defect, deafness syndrome; cleft lip and palate, craniofacial dysmorphism, congenital heart defect, hearing loss syndrome; hyaluronidase 2 deficiency

Patient organizations

Source: NIH GARD · Cleft lip and palate-craniofacial dysmorphism-congenital heart defect-hearing loss syndromeGARD ID 22068 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Cleft lip and palate-craniofacial dysmorphism-congenital heart defect-hearing loss syndrome.

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