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Trisomy 9

**{{{Name|Trisomy 9}}}**
[[Image:{{{Image}}}\|190px\|center\|]] {{{Caption\|}}}
ICD-10	Q92
ICD-O:	{{{ICDO}}}
ICD-9	758
OMIM	}}}
MedlinePlus	}}}
eMedicine	}}}
DiseasesDB	}}}

Trisomy 9 is a chromosomal disordercaused by having three copies (trisomy) of chromosomenumber 9. It can appear with or without mosaicism. Symptoms vary, but usually result in dysmorphisms in the skull, nervous system, and mental retardation. Dysmorphisms in the heart, kidneys, and musculoskeletal system may also occur. It can be detected prenatally, such as with chorionic villus samplingand cordocentesis, and can be suggested by obstetric ultrasonography. Because trisomy 9 may appear with mosaicism, it is suggested that doctors take samples from multiple tissues when karyotypingfor diagnosis.

External links

NORD - National Organization for Rare Disorders, Inc.Chromosome 9, Trisomy 9p (Multiple Variants)
NORD - National Organization for Rare Disorders, Inc.Chromosome 9, Trisomy Mosaic
Entrez PubMed"Antenatal detection of mosaic trisomy 9 by ultrasound: a case report and literature review."

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Categories: Genetics stubs| Congenital genetic disorders| Pediatrics

This article is licensed under the GNU Free Documentation License.
It uses material from the http://en.wikipedia.org/wiki/Trisomy+9 Wikipedia article Trisomy 9.

All text is available under the terms of the GNU Free Documentation License