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Living with Cleft palate with or without ankyloglossia, X-linked

A genetic condition with a cleft palate and a short, tight tissue under the tongue (tongue-tie), passed on through the X chromosome.

Understanding Cleft palate with or without ankyloglossia, X-linked

Cleft palate with or without ankyloglossia, X-linked is a rare genetic condition with cleft palate and ankyloglossia (tongue-tie).

The cleft palate can be complete, partial, or submucous (hidden under the lining). People may also have differences in the uvula and short tissue under the tongue, as well as dental differences like missing or misshapen teeth. Mild finger differences have also been reported. GARD lists onset in the newborn period and infancy.

Signs & symptoms

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

  • Cleft palate
  • Tongue-tie (ankyloglossia)
  • Differences in the uvula
  • Missing or misshapen teeth
  • Mild finger 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 ear, nose, and throat specialists and genetic specialists.

  3. Consider genetic testing

    Changes in TBX22 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
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
Can TBX22 genetic testing confirm the diagnosis?
Is a tongue-tie release needed for feeding or speech?
Should female relatives be tested as carriers?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceX-Linked
GenesTBX22

GARD says changes in the TBX22 gene cause this condition. It is X-linked, which means the gene is on the X chromosome.

Genetic

Also known as: cleft palate with ankyloglossia; x-linked cleft palate and ankyloglossia

Patient organizations

Source: NIH GARD · Cleft palate with or without ankyloglossia, X-linkedGARD ID 1394 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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