Overview
Cryptorchidism-arachnodactyly-intellectual disability syndrome is an extremely rare genetic condition that affects multiple body systems. The name describes its three main features: cryptorchidism (undescended testicles in males), arachnodactyly (unusually long, slender fingers and toes that resemble spider legs), and intellectual disability. This syndrome was first described in a small number of patients and remains very poorly understood due to the limited number of reported cases in the medical literature. Affected individuals typically show signs from birth or early childhood. In addition to the three hallmark features, patients may have other physical differences such as unusual facial features, growth problems, and skeletal abnormalities. The intellectual disability can range from mild to moderate, affecting learning, speech development, and daily functioning. Because this condition is so rare, there is no specific cure or targeted treatment. Management focuses on addressing individual symptoms. Undescended testicles may require surgical correction (orchiopexy). Children benefit from early intervention programs including speech therapy, occupational therapy, and special education support. Regular follow-up with multiple specialists is important to monitor development and address any new concerns as the child grows.
Also known as:
Key symptoms:
Undescended testicles in malesLong, slender fingers and toesIntellectual disabilityDelayed speech and language developmentLearning difficultiesUnusual facial featuresGrowth delaysJoint looseness or hypermobilitySkeletal abnormalitiesDelayed motor milestonesLow muscle tone
Clinical phenotype terms (17)— hover any for plain English
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 Cryptorchidism-arachnodactyly-intellectual disability syndrome.
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Specialists
View all specialists →No specialists are currently listed for Cryptorchidism-arachnodactyly-intellectual disability 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 Cryptorchidism-arachnodactyly-intellectual disability 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 severity of my child's intellectual disability, and what therapies would help the most?,When should surgery for undescended testicles be performed, and what are the risks?,Should we pursue genetic testing such as whole exome sequencing to look for a specific cause?,What early intervention services should we start right away?,How will this condition affect my child's ability to attend school and learn?,Are there any other specialists we should see regularly?,What is the chance that future children could also be affected?
Common questions about Cryptorchidism-arachnodactyly-intellectual disability syndrome
What is Cryptorchidism-arachnodactyly-intellectual disability syndrome?
Cryptorchidism-arachnodactyly-intellectual disability syndrome is an extremely rare genetic condition that affects multiple body systems. The name describes its three main features: cryptorchidism (undescended testicles in males), arachnodactyly (unusually long, slender fingers and toes that resemble spider legs), and intellectual disability. This syndrome was first described in a small number of patients and remains very poorly understood due to the limited number of reported cases in the medical literature. Affected individuals typically show signs from birth or early childhood. In addition
How is Cryptorchidism-arachnodactyly-intellectual disability syndrome inherited?
Cryptorchidism-arachnodactyly-intellectual disability syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Cryptorchidism-arachnodactyly-intellectual disability syndrome typically begin?
Typical onset of Cryptorchidism-arachnodactyly-intellectual disability syndrome is neonatal. Age of onset can vary across affected individuals.