Overview
Cryptomicrotia-brachydactyly-excess fingertip arch syndrome is an extremely rare genetic condition that affects the development of the ears, hands, and fingerprint patterns. The name describes its three main features: cryptomicrotia (unusually small ears that may be partially hidden under the skin), brachydactyly (abnormally short fingers and/or toes), and an excess of arch-type fingerprint patterns (most people have a mix of loops, whorls, and arches, but individuals with this syndrome have an unusually high number of arches on their fingertips). This condition is present from birth and is classified under congenital malformation syndromes. Because the syndrome is so rare, with very few cases described in the medical literature, our understanding of the full range of symptoms and the best approaches to management is limited. There is no specific cure for this condition. Treatment is supportive and focuses on addressing individual symptoms. For example, if the small ears affect hearing, hearing aids or surgical options may be considered. Hand function may be evaluated and supported through occupational therapy if short fingers cause difficulty with fine motor tasks. Genetic counseling is recommended for affected families to understand the inheritance pattern and recurrence risk. Patients benefit from a team of specialists who can address the different body systems involved.
Key symptoms:
Unusually small ears (microtia)Ears partially buried or hidden under the skin (cryptotia)Short fingers (brachydactyly)Short toesExcess arch patterns on fingertipsPossible mild hearing difficultiesUnusual ear shape or positioningPossible difficulty with fine motor tasks due to short fingers
Clinical phenotype terms (7)— hover any for plain English
Autosomal dominant
Passed on from just one parent; each child has about a 50% chance of inheriting it
Neonatal
Begins at or shortly after birth (first 4 weeks)
Treatments
No FDA-approved treatments are currently listed for Cryptomicrotia-brachydactyly-excess fingertip arch syndrome.
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Specialists
View all specialists →No specialists are currently listed for Cryptomicrotia-brachydactyly-excess fingertip arch 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 Cryptomicrotia-brachydactyly-excess fingertip arch 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
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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.Does my child have any hearing loss related to the ear abnormalities, and should we schedule regular hearing tests?,Are there surgical options to improve the appearance or function of the ears?,Would occupational therapy help improve hand function and fine motor skills?,Is genetic testing available to identify the cause, and what would the results mean for our family?,What is the chance that future children could also have this condition?,Are there any other health problems we should watch for as my child grows?,Can you connect us with other families or support groups for rare craniofacial or limb conditions?
Common questions about Cryptomicrotia-brachydactyly-excess fingertip arch syndrome
What is Cryptomicrotia-brachydactyly-excess fingertip arch syndrome?
Cryptomicrotia-brachydactyly-excess fingertip arch syndrome is an extremely rare genetic condition that affects the development of the ears, hands, and fingerprint patterns. The name describes its three main features: cryptomicrotia (unusually small ears that may be partially hidden under the skin), brachydactyly (abnormally short fingers and/or toes), and an excess of arch-type fingerprint patterns (most people have a mix of loops, whorls, and arches, but individuals with this syndrome have an unusually high number of arches on their fingertips). This condition is present from birth and is cl
How is Cryptomicrotia-brachydactyly-excess fingertip arch syndrome inherited?
Cryptomicrotia-brachydactyly-excess fingertip arch syndrome follows a autosomal dominant inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Cryptomicrotia-brachydactyly-excess fingertip arch syndrome typically begin?
Typical onset of Cryptomicrotia-brachydactyly-excess fingertip arch syndrome is neonatal. Age of onset can vary across affected individuals.