Trisomy 22

Trisomy 22
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Trisomy 22 Classification and external resources
DiseasesDB	32684

See also: Cat eye syndrome

Trisomy 22 is a chromosomal disorder in which there are three copies of chromosome 22 rather than two. It is a frequent cause of spontaneous abortion during the first trimester of pregnancy. Progression to the second trimester and livebirth are rare.

References

Mokate T, Leask K, Mehta S, et al (2006). "Non-mosaic trisomy 22: a report of 2 cases". Prenat. Diagn. 26 (10): 962–5. doi:10.1002/pd.1537. PMID 16906599.

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v • d • e Pathology: chromosome abnormalities (Q90-Q99, 758)

Autosomal trisomies	Down syndrome (21), Edwards syndrome (18), Patau syndrome (13), Trisomy 9, Warkany syndrome 2 (8), Cat eye syndrome (22), Trisomy 22, Trisomy 16

Autosomal monosomies/deletions	Wolf-Hirschhorn syndrome (4), Cri du chat (5), Williams syndrome (7), Angelman syndrome/Prader-Willi syndrome (15), Miller-Dieker syndrome/Smith-Magenis syndrome (17), 22q11.2 deletion syndrome (22)

X/Y linked	Monosomy: Turner syndrome (XO) Trisomy: Triple X syndrome (XXX), Klinefelter's syndrome (XXY), XYY Other Karyotypes: XXXX, XXYY, XXXXX, XXXXY

Translocations	Philadelphia chromosome, Burkitt's lymphoma

Other	Fragile X syndrome, Gonadal dysgenesis (Mixed gonadal dysgenesis), Uniparental disomy

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