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It is possible that the main title of the report Penta X Syndrome 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.
Penta X Syndrome is a rare chromosomal disorder that affects females. Females normally have two X chromosomes. However, in those with Penta X Syndrome, there are three additional (or a total of five) X chromosomes in the nuclei of body cells (pentasomy X). The condition is typically characterized by moderate to severe mental retardation, short stature, malformations of the skull and facial (craniofacial) region, and/or other physical abnormalities. Characteristic craniofacial malformations may include upslanting eyelid folds (palpebral fissures), a flat nasal bridge, malformed ears, a short neck with a low hairline, and/or other findings. Penta X Syndrome may also be characterized by abnormal deviation (clinodactyly) or permanent flexion (camptodactyly) of the "pinkies" or fifth fingers; heart and/or kidney defects; deficient development of the ovaries and uterus; and/or other physical findings. The disorder results from errors during the division of reproductive cells in one of the parents.
Children's Craniofacial Association
13140 Coit Road
Dallas, TX 75240
Support Organization for Trisomy 18, 13, and Related Disorders
2982 S. Union Street
Rochester, NY 14624-1926
March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
White Plains, NY 10605
National Dissemination Center for Children with Disabilities
1825 Connecticut Ave NW, Suite 700
Washington, DC 20009
1825 K Street NW, Suite 1200
Washington, DC 20006
P.O. Box 751112
Limekiln, PA 19535
Chromosome Disorder Outreach, Inc.
P.O. Box 724
Boca Raton, FL 33429-0724
American Heart Association
7272 Greenville Avenue
Dallas, TX 75231
UNIQUE - Rare Chromosome Disorder Support Group
P.O. Box 2189
Surrey, CR3 5GN
Craniofacial Foundation of America
975 East Third Street
Chattanooga, TN 37403
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
Focus Foundation, Inc.
PO Box 190
Davidsonville, MD 21035
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 firstname.lastname@example.org
Last Updated: 5/5/2008
Copyright 1991, 2001, 2003 National Organization for Rare Disorders, Inc.
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