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Living with Orofaciodigital syndrome IX

A rare genetic condition with mouth, face, hand and foot differences, mild intellectual disability, and retina changes.

Understanding Orofaciodigital syndrome IX

Orofaciodigital syndrome IX is a rare genetic condition that affects the mouth, face, fingers and toes, and the retina.

Features include a high-arched palate, a split tongue, extra lower canine teeth, and tongue growths. Face features include widely spaced eyes, crossed eyes, and a broad or split nose tip. Other features are short stature, fused or extra fingers and toes, and mild intellectual disability. Eye changes can include a notch in the optic disc and retinal differences with partial detachment. GARD lists onset as during pregnancy, at birth, and as an infant.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Based on its summary, features may include:

  • High-arched palate and split tongue
  • Widely spaced eyes and crossed eyes (strabismus)
  • Broad or split nose tip
  • Short stature
  • Extra or joined fingers and toes
  • Retina differences

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, ear, nose, and throat specialists, eye disease specialists and genetic specialists.

  3. Consider genetic testing

    Changes in TBC1D32 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
Bone and joint specialists (orthopedists or orthopedic surgeons); Ear, nose, and throat specialists (otolaryngologists); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists)
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
How often should the retina be checked for detachment?
Which specialists should manage mouth and hand differences?
Would TBC1D32 genetic testing help our family?

Quick facts

Symptoms usually startduring Pregnancy, at Birth, and as an Infant
InheritanceAutosomal Recessive
GenesTBC1D32

Changes in the TBC1D32 gene cause this condition. It is inherited in an autosomal recessive way, meaning a child inherits a changed copy of the gene from each parent.

Genetic

Also known as: ofd9; ofds ix; oral-facial-digital syndrome type 9; oral-facial-digital syndrome with retinal abnormalities; oral-facial-digital syndrome, type ix; oro-facial digital syndrome type 9

Patient organizations

Source: NIH GARD · Orofaciodigital syndrome IXGARD ID 10520 · 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 Orofaciodigital syndrome IX.

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