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Living with Oto-palato-digital syndrome, type I

An X-linked bone condition with hearing loss, cleft palate, and differences of the fingers and toes; usually the mildest of its group.

Understanding Oto-palato-digital syndrome, type I

Oto-palato-digital syndrome type 1 is an X-linked condition affecting skeletal development, hearing, the palate, and fingers and toes.

It is usually the mildest of the otopalatodigital spectrum disorders. Features include wide-set, downslanting eyes, prominent brow, and a broad, flat nose. Fingers and toes can have square fingertips, short thumbs and big toes, and a wide gap between the first two toes. Hearing loss, cleft palate, and fewer teeth are common. Females often have fewer signs than males.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Hearing loss
  • Cleft palate
  • Missing teeth
  • Short thumbs and big toes, and a gap between the first two toes
  • Wide-set, downslanting eyes and a flat nose bridge
  • Limited joint movement

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 bone and joint specialists, brain and nervous system specialists, ear, nose, and throat specialists and genetic specialists.

  3. Consider genetic testing

    Changes in FLNA 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

    World Craniofacial Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Brain and nervous system specialists (neurologists); Ear, nose, and throat specialists (otolaryngologists); Genetic specialists (geneticists)
Expert care
Expert lists: 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 World Craniofacial Foundation 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
How often should my hearing be tested?
What dental care options are there for missing teeth?
Would FLNA genetic testing help my relatives?

Quick facts

Symptoms usually startduring Pregnancy, at Birth, and as an Infant
InheritanceX-Linked
GenesFLNA

Changes in the FLNA gene cause this condition. It is inherited in an X-linked way.

GeneticNeurological

Also known as: opd 1 syndrome; opd i syndrome; opd syndrome 1; opd1; oto-palato-digital syndrome type 1; otopalatodigital syndrome type 1

Patient organizations

Source: NIH GARD · Oto-palato-digital syndrome, type IGARD ID 5121 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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