Prenatal diagnosis of a de novo supernumerary marker derived from chromosome 16.
Marker chromosomes are supernumerary chromosomes of unknown origin and are seldom found in prenatal diagnosis. Application of fluorescent in situ hybridization (FISH) allows the identification of the chromosomal origin of markers. Estimation of the risk of an abnormal phenotype outcome can be enabled by collecting data on phenotypes associated with markers of the same chromosomal origin. So far only very few cases of prenatal diagnosis of de novo supernumerary markers derived from chromosome 16 have been reported. Here the prenatal diagnosis of a de novo supernumerary marker chromosome 16 is described and the relevant literature discussed.
Hengstschläger
M
M
Obstetrics and Gynecology, Prenatal Diagnosis and Therapy, University of Vienna, Währinger Gürtel 18-20, A-1090 Vienna, Austria. markus.hengstchlaeger@akh-wien.ac.at
Bettelheim
D
D
Drahonsky
R
R
Deutinger
J
J
Bernaschek
G
G
D000028:Abortion, Induced; D000328:Adult; D000782:Aneuploidy; D002885:Chromosomes, Human, Pair 16; D003937:Diagnosis, Differential; D005260:Female; D005819:Genetic Markers; D006801:Humans; D017404:In Situ Hybridization, Fluorescence; D011247:Pregnancy; D011296:Prenatal Diagnosis
D005819:Genetic Markers