Living with Ectodermal dysplasia, trichoodontoonychial type
A very rare condition with missing teeth, sparse slow-growing hair, brittle nails, and sometimes skin and hearing differences.
Understanding Ectodermal dysplasia, trichoodontoonychial type
Main features are missing teeth, thin hair with delayed growth, and brittle nails. Some people also have thin patches of skin, uneven skin color, small or missing nipples, hearing loss, hip dislocation at birth, or asthma. GARD notes there have been no new descriptions in the medical literature since 1996. Signs begin during pregnancy, at birth, or in infancy.
Signs & symptoms
Symptoms vary from person to person. GARD lists these among the most common:
- Missing teeth (hypodontia)
- Sparse hair and body hair
- Sparse or missing eyebrows
- Abnormal eyelashes
- Nail differences
- Small or missing nipples
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Specialists who may be involved include genetic specialists, gum, teeth and mouth specialists and skin, hair, and nail specialists.
- 3Ask which tests can help
Your care team will decide which exams and tests can confirm the diagnosis.
- 4Connect with expert centers
National Foundation for Ectodermal Dysplasias may keep lists of experts for this condition.
Care & treatment
- Care team
- Genetic specialists (geneticists); Gum, teeth and mouth specialists (odontologists); Skin, hair, and nail specialists (dermatologists)
- Expert care
- Expert lists: National Foundation for Ectodermal Dysplasias
- 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 National Foundation for Ectodermal Dysplasias 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
Quick facts
GARD says changes in a person's genes cause this condition. It doesn't list a specific gene.
Also known as: ectodermal dysplasia trichoodontoonychial type
Patient organizations
- National Foundation for Ectodermal DysplasiasEctodermal dysplasia, trichoodontoonychial type · United States
- Children's Skin Disease FoundationSkin diseases · United States
You are more than your diagnosis
Perspectives from people navigating life with Ectodermal dysplasia, trichoodontoonychial type.
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