Chromosome 9, Partial Monosomy 9p
National Organization for Rare Disorders, Inc.
- Partial Deletion of Short Arm of Chromosome 9
- Deletion 9p Syndrome, Partial
- 9p- Syndrome, Partial
- Monosomy 9p, Partial
- 9p Partial Monosomy
- Distal Monosomy 9p
- Chromosome 9, Partial Monosomy 9p22
- Chromosome 9, Partial Monosomy 9p22-pter
- Del(9p) Syndrome, Partial
- Distal 9p- Syndrome
Chromosome 9, Partial Monosomy 9p is a rare chromosomal disorder in which there is deletion (monosomy) of a portion of the 9th chromosome. Characteristic symptoms and findings include mental retardation; distinctive malformations of the skull and facial (craniofacial) region, such as an abnormally shaped forehead (i.e., trigonocephaly), upwardly slanting eyelid folds (palpebral fissures), and unusually flat midfacial regions (midfacial hypoplasia); structural malformations of the heart (congenital heart defects); genital defects in affected males and females; and/or additional physical abnormalities. In most cases, Chromosome 9, Partial Monosomy 9p appears to result from spontaneous (de novo) errors very early in embryonic development that occur for unknown reasons (sporadically).
Children's Craniofacial Association
13140 Coit Road
Dallas, TX 75240
March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
White Plains, NY 10605
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
Chromosome 9P- Network
P.O. Box 524
Appleton, WI 54912
UNIQUE - Rare Chromosome Disorder Support Group
P.O. Box 2189
Surrey, CR3 5GN
Craniofacial Foundation of America
975 East Third Street
Chattanooga, TN 37403
MUMS National Parent-to-Parent Network
150 Custer Court
Green Bay, WI 54301-1243
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
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Last Updated: 4/10/2009
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