PMC5220407_01
Three-dimensional US scans. (a) 3D rendered image of a lateral view of left upper arm, scapula, chest, and spine. The spine ends abruptly at low lumbar level and appears disconnected from the pelvic bones. (b) 3D rendered coronal image of the fetal neck and trunk. The intervertebral and intercostal spaces appear reduced creating the impression of a compressed fetal trunk.
CRIOG2016-7625341.001.jpg
PMC5220407_01_CRIOG2016-7625341.001.jpg
fig1
As shown in Figure 1, the vertebrae appeared to terminate abruptly at low lumbar level.
Longitudinal midsagittal view of the upper body of affected fetus. Flow in the aortic arch and descending thoracic aorta is shown by color flow mapping. No flow is visible inside the translucent tubular structure interpreted as the notochord.
CRIOG2016-7625341.002.jpg
PMC5220407_01_CRIOG2016-7625341.002.jpg
fig2
Moreover, a nonsegmented tubular translucent structure, positioned in between the spine and the aorta and following the curvature of the fetal spine, was visualized (Figure 2).
PMC5220407_02