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- Title
Ultrasound in Trisomy 18 and 13.
- Authors
Gedıkbaşi, Ali; Gül, Ahmet; Sargin, Akif; Günay, Taner; Ceylan, Yavuz
- Abstract
Objective: To evaluate the sonographic characteristics of fetuses with trisomy 18 and trisomy 13. Materials and Methods: From March 2002 to December 2006, we reviewed the database and medical records of 25 cases with trisomy 18 and trisomy 13. The subjects were recruited from pregnant women undergoing prenatal sonographic examinations at 13-28 weeks of gestation and subsequently proven trisomy 18 or 13. The results of ultrasound findings were reviewed in these cases with chromosomes confirmed as trisomy 18 and/or 13. Results: All cases had at least one abnormal sonographic finding. The common sonographic findings included choroid plexus cysts, abnormal head shape, cardiac anomalies, holoprosencephaly with associated facial anomalies, abnormal feet and/or hands, especially polydactyly, clenched hand, omphalocele. Non-structural abnormal findings such as polyhydroamnios or fetal growth restriction were seen in less than one third of the fetuses. Discussion: Nearly all fetuses with trisomy 18 or 13 had characteristic sonographic patterns of abnormalities demonstrated at midpregnancy. Detailed ultrasound at midpregnancy could effectively screen fetuses with trisomy 18 or 13 for further genetic testing.
- Subjects
TRISOMY; MEDICAL imaging systems; CHOROID plexus; FETAL development; PROSENCEPHALON abnormalities; UMBILICAL hernia
- Publication
Journal of the Turkish-German Gynecological Association, 2009, Vol 10, Issue 4, p218
- ISSN
1309-0399
- Publication type
Article