Overview
Microtriplication 11q24.1 syndrome (Orphanet code 289522) is an extremely rare chromosomal condition in which a small segment of chromosome 11, specifically the region called 11q24.1, is present in three extra copies instead of the normal two. This means there is a triplication — three additional copies — of genetic material in that area. Because this region contains genes that play roles in development, having extra copies can disrupt normal growth and brain development. Because so few cases have been reported in the medical literature, the full range of symptoms is not yet well understood. However, based on available reports, individuals with this condition may experience developmental delay, intellectual disability, speech and language difficulties, and certain physical features that may be subtle. Some patients may also have behavioral differences or learning challenges. There is currently no cure or specific treatment for this syndrome. Management focuses on supportive care tailored to each person's symptoms. This may include speech therapy, occupational therapy, physical therapy, special education services, and regular developmental monitoring. Early intervention programs can help children reach their full potential. Because the condition is so rare, families are encouraged to work closely with a clinical geneticist and a multidisciplinary team to create an individualized care plan.
Also known as:
Key symptoms:
Developmental delayIntellectual disabilitySpeech and language delaysLearning difficultiesBehavioral differencesMild unusual facial featuresMotor skill delaysDifficulty with coordinationAttention problemsSocial interaction challenges
Clinical phenotype terms (39)— hover any for plain English
Variable
Can be inherited in different ways depending on the underlying gene
Infantile
Begins in infancy, roughly 1 month to 2 years old
Treatments
No FDA-approved treatments are currently listed for Microtriplication 11q24.1 syndrome.
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Specialists
View all specialists →No specialists are currently listed for Microtriplication 11q24.1 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 Microtriplication 11q24.1 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 exact size and location of the triplication, and which genes are involved?,Was this triplication inherited from a parent or did it occur as a new change?,What developmental screenings and therapies should we start right away?,How often should my child be evaluated by a developmental specialist?,Are there any other medical tests or evaluations we should do to check for related health issues?,Should other family members be tested for this chromosomal change?,Are there any research studies or registries we can participate in?
Common questions about Microtriplication 11q24.1 syndrome
What is Microtriplication 11q24.1 syndrome?
Microtriplication 11q24.1 syndrome (Orphanet code 289522) is an extremely rare chromosomal condition in which a small segment of chromosome 11, specifically the region called 11q24.1, is present in three extra copies instead of the normal two. This means there is a triplication — three additional copies — of genetic material in that area. Because this region contains genes that play roles in development, having extra copies can disrupt normal growth and brain development. Because so few cases have been reported in the medical literature, the full range of symptoms is not yet well understood.
At what age does Microtriplication 11q24.1 syndrome typically begin?
Typical onset of Microtriplication 11q24.1 syndrome is infantile. Age of onset can vary across affected individuals.