Overview
Dysostosis with limb and face anomalies as a major feature is a broad group of rare genetic bone development disorders. In these conditions, certain bones — especially those in the face, skull, arms, legs, hands, and feet — do not form properly during development in the womb. The word 'dysostosis' means abnormal bone formation. These conditions are present at birth and can vary widely in severity. Affected individuals may have differences in the shape of their face (such as underdeveloped cheekbones or jaw), abnormalities of the limbs (such as missing, shortened, or fused fingers or toes), and sometimes other skeletal problems. Some conditions in this group include well-known syndromes like Treacher Collins syndrome, Nager syndrome, Miller syndrome, and Roberts syndrome, among others. Because this is a category rather than a single disease, the specific symptoms, genetic causes, and outlook depend on the exact condition a person has. Treatment is generally supportive and may include surgery to correct bone and facial abnormalities, physical therapy, hearing aids if hearing is affected, and dental care. A team of specialists usually works together to manage care. Early diagnosis through clinical evaluation and genetic testing can help families plan appropriate treatment and support.
Key symptoms:
Abnormal shape of the face or skullUnderdeveloped cheekbones or jawCleft palate or cleft lipSmall or absent thumbsShortened or missing forearm bonesFused or missing fingers or toesShort arms or legsHearing lossDownward-slanting eyesSmall or malformed earsDifficulty breathing due to small jawDental problems or missing teethLimb length differencesDifficulty feeding in infancy
Variable
Can be inherited in different ways depending on the underlying gene
Neonatal
Begins at or shortly after birth (first 4 weeks)
Treatments
No FDA-approved treatments are currently listed for Dysostosis with limb and face anomalies as a major feature.
View clinical trials →Clinical Trials
View all trials with filters →No actively recruiting trials found for Dysostosis with limb and face anomalies as a major feature at this time.
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Specialists
View all specialists →No specialists are currently listed for Dysostosis with limb and face anomalies as a major feature.
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 Dysostosis with limb and face anomalies as a major feature.
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 specific condition within this group does my child have, and what gene is involved?,What surgeries or procedures will my child likely need, and when should they happen?,How will this condition affect my child's hearing, and what should we do about it?,Are there any breathing or feeding concerns we should watch for?,What therapies (speech, physical, occupational) should we start, and when?,Is this condition inherited, and what is the chance of it occurring in future children?,Are there any clinical trials or new treatments being studied for this condition?
Common questions about Dysostosis with limb and face anomalies as a major feature
What is Dysostosis with limb and face anomalies as a major feature?
Dysostosis with limb and face anomalies as a major feature is a broad group of rare genetic bone development disorders. In these conditions, certain bones — especially those in the face, skull, arms, legs, hands, and feet — do not form properly during development in the womb. The word 'dysostosis' means abnormal bone formation. These conditions are present at birth and can vary widely in severity. Affected individuals may have differences in the shape of their face (such as underdeveloped cheekbones or jaw), abnormalities of the limbs (such as missing, shortened, or fused fingers or toes), and
At what age does Dysostosis with limb and face anomalies as a major feature typically begin?
Typical onset of Dysostosis with limb and face anomalies as a major feature is neonatal. Age of onset can vary across affected individuals.