Overview
Anomaly of chromosome 13 is a broad term that was previously used to describe a group of conditions caused by changes in chromosome 13. This term is now considered obsolete in medical classification systems, meaning it has been replaced by more specific diagnoses. Chromosome 13 abnormalities can include having an extra copy of chromosome 13 (known as trisomy 13 or Patau syndrome), missing pieces of chromosome 13 (deletions), or rearrangements of genetic material on this chromosome. Each specific type of chromosome 13 abnormality causes different health problems depending on which genes are affected. People with chromosome 13 abnormalities may experience a wide range of symptoms. These can include intellectual disability, birth defects affecting the heart, brain, eyes, and other organs, growth delays, and distinctive facial features. The severity varies greatly depending on the exact type and size of the chromosomal change. Some individuals may have mild symptoms, while others may have life-threatening complications present at birth. Treatment depends entirely on the specific type of chromosome 13 abnormality and the symptoms present. There is no single cure for chromosomal conditions, but many symptoms can be managed with supportive care, surgeries, therapies, and specialized medical follow-up. Early intervention services, including physical therapy, occupational therapy, and speech therapy, can help children reach their developmental potential.
Key symptoms:
Intellectual disabilityDelayed development or growthHeart defects present at birthBrain abnormalitiesEye problems or small eyesCleft lip or cleft palateExtra fingers or toesLow muscle toneSeizuresHearing lossFeeding difficultiesUnusual facial featuresKidney problemsShort stature
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 OBSOLETE: Anomaly of chromosome 13.
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Specialists
View all specialists →No specialists are currently listed for OBSOLETE: Anomaly of chromosome 13.
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 OBSOLETE: Anomaly of chromosome 13.
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Caregiver Resources
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Social Security Disability
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Questions for your doctor
Bring these to your next appointment
- Q1.What specific type of chromosome 13 abnormality does my child have, and what does it mean?,What health problems should we watch for based on this diagnosis?,What early intervention services should we start, and how soon?,Is there a risk that future children could have the same condition?,Should other family members be tested for chromosomal changes?,What specialists should be part of our care team?,Are there any clinical trials or research studies we should know about?
Common questions about OBSOLETE: Anomaly of chromosome 13
What is OBSOLETE: Anomaly of chromosome 13?
Anomaly of chromosome 13 is a broad term that was previously used to describe a group of conditions caused by changes in chromosome 13. This term is now considered obsolete in medical classification systems, meaning it has been replaced by more specific diagnoses. Chromosome 13 abnormalities can include having an extra copy of chromosome 13 (known as trisomy 13 or Patau syndrome), missing pieces of chromosome 13 (deletions), or rearrangements of genetic material on this chromosome. Each specific type of chromosome 13 abnormality causes different health problems depending on which genes are aff
At what age does OBSOLETE: Anomaly of chromosome 13 typically begin?
Typical onset of OBSOLETE: Anomaly of chromosome 13 is neonatal. Age of onset can vary across affected individuals.