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Synergy of Total PLAC4 RNA concentration and measurement of the RNA single-nucleotide polymorphism allelic ratio for the noninvasive prenatal detection of Trisomy 21.
Tsui NB, Akolekar R, Chiu RW, Chow KC, Leung TY, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2010;56:73-81. -
Epigenetic-genetic chromosome dosage approach for fetal trisomy 21 detection using an autosomal genetic reference marker.
Tong YK, Chiu RW, Akolekar R, Leung TY, Lau TK, Nicolaides KH, Lo YM.
PLoS One 2010;5:e15244. -
Two-stage first-trimester screening for trisomy 21 by ultrasound assessment and biochemical testing.
Kagan K, Staboulidou I, Cruz JJ, Wright D, Nicolaides K.
Ultrasound Obstet Gynecol 2010;36:542-7. -
Maternal plasma DNA analysis with massively parallel sequencing by ligation for noninvasive prenatal diagnosis of Trisomy 21.
Chiu RW, Sun H, Akolekar R, Clouser C, Lee C, McKernan K, Zhou D, Nicolaides KH, Lo YM.
Clin Chem 2010;56:459-63. -
Prospective validation of first-trimester combined screening for trisomy 21.
Kagan KO, Etchegaray A, Zhou Y, Wright D, Nicolaides KH.
Ultrasound Obstet Gynecol 2009;34:14-8. -
Effect of deviation of nuchal translucency measurements on the performance of screening for trisomy 21.
Kagan KO, Wright D, Etchegaray A, Zhou Y, Nicolaides KH.
Ultrasound Obstet Gynecol 2009;33:657-64. -
Screening for trisomy 21 in twin pregnancies in the first trimester: an update of the impact of chorionicity on maternal serum markers.
Spencer K, Kagan KO, Nicolaides KH.
Prenat Diagn 2008;28:49-52. -
Prenasal thickness in trisomy-21 fetuses at 16-24 weeks of gestation.
Persico N, Borenstein M, Molina F, Azumendi G, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:751-4. -
Frontomaxillary facial angle in trisomy 21 fetuses at 16-24 weeks of gestation.
Molina F, Persico N, Borenstein M, Sonek J, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:384-7. -
Screening for trisomy 21 by maternal age, fetal nuchal translucency thickness, free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A.
Kagan KO, Wright D, Baker A, Sahota D, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:618-24. -
First-trimester screening for trisomy 21 by free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A: impact of maternal and pregnancy characteristics.
Kagan KO, Wright D, Spencer K, Molina FS, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:493-50. -
Choroid plexus cyst, intracardiac echogenic focus, hyperechogenic bowel and hydronephrosis in screening for trisomy 21 at 11 + 0 to 13 + 6 weeks.
Dagklis T, Plasencia W, Maiz N, Duarte L, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:132-5. -
Frontomaxillary facial angle in screening for trisomy 21 at 11 + 0 to 13 + 6 weeks.
Borenstein M, Persico N, Kagan KO, Gazzoni A, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:5-11. -
Frontomaxillary facial angles in screening for trisomy 21 at 14-23 weeks gestation.
Sonek J, Borenstein M, Downing C, McKenna D, Neiger R, Croom C, Genrich T, Nicolaides KH.
Am J Obstet Gynecol 2007;197:160. -
Frontomaxillary facial angle in fetuses with trisomy 21 at 11+0-13+6 weeks.
Sonek J, Borenstein M, Dagklis T, Persico N, Nicolaides KH.
Am J Obstet Gynecol 2007;196:271. -
First-trimester screening for trisomy 21 using nuchal translucency and nasal bone evaluations in a selected and an unselected population.
Sonek J, Cicero S, Nicolaides K.
Am J Obstet Gynecol 2007;196:19. -
Nasal bone assessment in prenatal screening for trisomy 21.
Sonek JD, Cicero S, Neiger R, Nicolaides KH.
Am J Obstet Gynecol 2006;195:1219-30. -
Metopic suture in fetuses with trisomy 21 at 11 + 0 to 13 + 6 weeks of gestation.
Faro C, Wegrzyn P, Benoit B, Chaoui R, Nicolaides KH.
Ultrasound Obstet Gynecol 2006;27:286-9. -
Screening for trisomy 21 by fetal tricuspid regurgitation, nuchal translucency and maternal serum free beta-hCG and PAPP-A at 11 + 0 to 13 + 6 weeks.
Falcon O, Auer M, Gerovassili A, Spencer K, Nicolaides KH.
Ultrasound Obstet Gynecol 2006;27:151-5. -
Nasal bone in first-trimester screening for trisomy 21.
Cicero S, Avgidou K, Rembouskos G, Kagan KO, Nicolaides KH.
Am J Obstet Gynecol 2006;195:109-14.