Fig. 1.

Prenatal and postnatal tractography of the corpus callosum segments in a boy, case 9. a, b Prenatal (29+4 gestational weeks) and (c, d) postnatal (5 days) sagittal T2-weighted MR images and their tractography pair are illustrated with all four segments of the corpus callosum (yellow arrowhead rostrum, solid red arrowhead genu, white arrowhead body, dotted red arrowhead splenium). The prenatal tractography is considered accurate for this case because each of the same segments is identified in the postnatal tractography