Related Experiment Videos
The effect of trisomy 18 on transverse cerebellar diameter
L M Hill1, S Marchese, C Peterson
1Department of Ultrasound, Magee-Womens Hospital, University of Pittsburgh, PA 15213.
American Journal of Obstetrics and Gynecology
|July 1, 1991
Abstract:
The transverse cerebellar diameter was measured in 19 fetuses with trisomy 18. Eleven of the cerebellar measurements (57.9%) were greater than 2 SD below the mean for the patient's gestational age. If fetal biometry rather than last menstrual period were used to determine gestational age, four of the 19 (21.0%) cerebellar measurements were greater than 2 SD below the mean. Both intrauterine growth retardation and intrinsic central nervous system abnormalities associated with trisomy 18 appeared to affect cerebellar size.