2001-08-20-13 Trisomy 21, simian crease in 3D © Bircher www.thefetus.net/
Trisomy 21, simian crease in 3D
Ana Maria Bircher, MD
Alfredo Camargo Clinic, Buenos Aires
This third trimester has trisomy 21 and a simian crease is easily appreciable in 3D.
Note also the low nasal bridge on the facial rendering.