
Keywords: 2D-US; 2D ultrasound; 3D-US; 3D ultrasound; AP; anteroposterior; BT; brainstem-tentorium; BV; brainstem-vermis; CC; craniocaudal; CNS; central nervous system; DWM; Dandy-Walker malformation; GA; gestational age; ICC; intraclass correlation coefficient; MR