Chromosome 5, Trisomy 5p
National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Chromosome 5, Trisomy 5p is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
- chromosome 5, trisomy 5p, complete (5p11-ter), included
- chromosome 5, trisomy 5p, partial, included
- dup(5p) syndrome
- duplication 5p syndrome
- trisomy 5p
Trisomy 5p is a rare chromosomal disorder in which all or a portion of the short arm (p) of chromosome 5 (5p) appears three times (trisomy) rather than twice in cells of the body. Often the duplicated portion of 5p (trisomy) is due to a complex rearrangement involving other chromosomes. These individuals have a variable phenotype depending on which chromosome is involved, the size of the duplication and whether there is loss of material from the same or another chromosome. There are rare cases with an isolated duplication of 5p. These individuals have less variability. The variability that does appear is due to the size and location of the duplication. The individuals with only the duplication allow a better description of the symptoms (phenotype) and definition of a critical region for certain symptoms (cardiac abnormalities and seizures). Many affected infants and children have abnormalities that include low muscle tone (hypotonia); an unusually large head (macrocephaly) and additional abnormalities of the head and facial (craniofacial) area; long, slender fingers (arachnodactyly); delays in the acquisition of skills requiring the coordination of mental and physical activities (psychomotor retardation); and intellectual disability. Some affected individuals may have heart defects and seizures. Not all individuals with trisomy 5p will have all of the symptoms of the disorder.
Chromosome Disorder Outreach, Inc.
- P.O. Box 724
- Boca Raton, FL 33429-0724
- Tel: (561)395-4252
- Fax: (561)395-4252
- Email: email@example.com
- Website: http://www.chromodisorder.org/
Genetic and Rare Diseases (GARD) Information Center
- PO Box 8126
- Gaithersburg, MD 20898-8126
- Tel: (301)251-4925
- Fax: (301)251-4911
- Tel: (888)205-2311
- Website: http://rarediseases.info.nih.gov/GARD/
March of Dimes Birth Defects Foundation
- 1275 Mamaroneck Avenue
- White Plains, NY 10605
- Tel: (914)997-4488
- Fax: (914)997-4763
- Website: http://www.marchofdimes.com
Support Organization for Trisomy 13/18 and Related Disorders, UK
- c/o Christine Rose
- 48 Froggatts Ride
- West Midlands, B76 2TQ SOFT
- United Kingdom
- Tel: 1213513122
- Email: firstname.lastname@example.org
- Website: http://www.soft.org.uk
Support Organization for Trisomy 18, 13, and Related Disorders
- 2982 S. Union Street
- Rochester, NY 14624-1926
- Fax: (585)594-1957
- Tel: (800)716-7638
- Email: email@example.com
- Website: http://www.trisomy.org
- 1825 K Street NW, Suite 1200
- Washington, DC 20006
- Tel: (202)534-3700
- Fax: (202)534-3731
- Tel: (800)433-5255
- Email: firstname.lastname@example.org
- Website: http://www.thearc.org
UNIQUE - Rare Chromosome Disorder Support Group
- The Rare Chromosome Disorder Support Group
- Surrey, RH8 9EE
- United Kingdom
- Tel: 441883723356
- Email: email@example.com or firstname.lastname@example.org
- Website: https://www.facebook.com/pages/Unique-Rare-Chromosome-Disorder-Support-Group/130797430472
For a Complete Report
This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".
The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.
It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report
This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.
For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email email@example.com
Last Updated: 12/30/1969
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