Overview
Odontotrichomelic syndrome is an extremely rare genetic condition that affects multiple body systems, primarily the teeth (odonto-), hair (tricho-), and limbs (melic). This syndrome is characterized by a combination of dental abnormalities, hair problems, and limb malformations that are typically present from birth. People with this condition may have missing or abnormally shaped teeth, sparse or thin hair, and underdeveloped or absent parts of the arms or legs. The skin may also be affected, with features overlapping with a group of conditions known as ectodermal dysplasias, which involve problems with structures that develop from the outer layer of the embryo, including teeth, hair, nails, and sweat glands. Because this syndrome is so rare, with only a handful of cases described in the medical literature, our understanding of it is limited. There is currently no cure for odontotrichomelic syndrome. Treatment focuses on managing individual symptoms and may involve dental work such as dentures or implants, prosthetic limbs or orthopedic interventions for limb differences, and supportive care for skin and hair problems. A team of specialists working together is usually needed to provide the best care for affected individuals. Early intervention, especially for dental and limb issues, can significantly improve quality of life and functional ability.
Also known as:
Key symptoms:
Missing or abnormally shaped teethSparse or thin hairUnderdeveloped or missing parts of arms or legsAbnormal or missing nailsDry skinReduced ability to sweatShort statureLimb bone abnormalitiesSplit hand or foot malformationsAbnormal skin texture or appearance
Autosomal recessive
Passed on when both parents carry the same gene change; often skips generations
Neonatal
Begins at or shortly after birth (first 4 weeks)
Treatments
No FDA-approved treatments are currently listed for Odontotrichomelic syndrome.
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Specialists
View all specialists →No specialists are currently listed for Odontotrichomelic syndrome.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to Odontotrichomelic syndrome.
Community
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Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.What is the specific extent of my child's limb and dental involvement?,Is genetic testing available to identify the exact cause in our family?,What dental treatments will be needed and when should they start?,Are prosthetic limbs or orthopedic surgery recommended, and at what age?,Does my child have reduced sweating, and what precautions should we take?,What therapies (physical, occupational) would benefit my child most?,What is the chance of having another child with this condition?
Common questions about Odontotrichomelic syndrome
What is Odontotrichomelic syndrome?
Odontotrichomelic syndrome is an extremely rare genetic condition that affects multiple body systems, primarily the teeth (odonto-), hair (tricho-), and limbs (melic). This syndrome is characterized by a combination of dental abnormalities, hair problems, and limb malformations that are typically present from birth. People with this condition may have missing or abnormally shaped teeth, sparse or thin hair, and underdeveloped or absent parts of the arms or legs. The skin may also be affected, with features overlapping with a group of conditions known as ectodermal dysplasias, which involve pro
How is Odontotrichomelic syndrome inherited?
Odontotrichomelic syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Odontotrichomelic syndrome typically begin?
Typical onset of Odontotrichomelic syndrome is neonatal. Age of onset can vary across affected individuals.