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Disease Profile
Chromosome 18q duplication
Prevalence estimates on Rare Medical Network websites are calculated based on data available from numerous sources, including US and European government statistics, the NIH, Orphanet, and published epidemiologic studies. Rare disease population data is recognized to be highly variable, and based on a wide variety of source data and methodologies, so the prevalence data on this site should be assumed to be estimated and cannot be considered to be absolutely correct.
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Age of onset
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ICD-10
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Inheritance
Autosomal dominant A pathogenic variant in only one gene copy in each cell is sufficient to cause an autosomal dominant disease.
Autosomal recessive Pathogenic variants in both copies of each gene of the chromosome are needed to cause an autosomal recessive disease and observe the mutant phenotype.
X-linked
dominant X-linked dominant inheritance, sometimes referred to as X-linked dominance, is a mode of genetic inheritance by which a dominant gene is carried on the X chromosome.
dominant X-linked dominant inheritance, sometimes referred to as X-linked dominance, is a mode of genetic inheritance by which a dominant gene is carried on the X chromosome.
X-linked
recessive Pathogenic variants in both copies of a gene on the X chromosome cause an X-linked recessive disorder.
recessive Pathogenic variants in both copies of a gene on the X chromosome cause an X-linked recessive disorder.
Mitochondrial or multigenic Mitochondrial genetic disorders can be caused by changes (mutations) in either the mitochondrial DNA or nuclear DNA that lead to dysfunction of the mitochondria and inadequate production of energy.
Multigenic or multifactor Inheritance involving many factors, of which at least one is genetic but none is of overwhelming importance, as in the causation of a disease by multiple genetic and environmental factors.
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Other names (AKA)
Duplication 18q; Trisomy 18q; 18q duplication;
Organizations
Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.
Organizations Supporting this Disease
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Chromosome Disorder Outreach (CDO)
PO Box 724
Boca Raton, FL 33429
Telephone: +1-561-395-4252
E-mail: https://chromodisorder.org/contact/
Website: https://chromodisorder.org/ -
Hope For Trisomy
PO Box 121986
Arlington, TX 76012
Toll-free: 1-866-977-6637
E-mail: [email protected]
Website: https://www.hopefortrisomy13and18.org/ -
Support Organization for Trisomy 18, 13, and Related Disorders (SOFT)
c/o Barb Vanherreweghe
2982 South Union Street
Rochester, NY 14624
Toll-free: 800-716-SOFT (7638)
Telephone: 585-594-4621
E-mail: [email protected]
Website: https://trisomy.org/ -
Trisomy 18 Foundation
4491 Cheshire Station Plaza
Suite 157
Dale City, VA 22193
Telephone: +1-810-867-4211
E-mail: [email protected]
Website: https://www.trisomy18.org/
Learn more
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
Where to Start
- Genetics Home Reference (GHR) contains information on Chromosome 18q duplication. This website is maintained by the National Library of Medicine.
In-Depth Information
- PubMed is a searchable database of medical literature and lists journal articles that discuss Chromosome 18q duplication. Click on the link to view a sample search on this topic.