Article Figures & Data
Figures
- FIG 1.
Representative images of adult (upper row) and fetal (lower row, 28 weeks' GA) HGs on the 3 orthogonal planes. Adult landmarks were used to correctly identify the HG on the fetal brains (asterisk).
- FIG 2.
The SI of the HG in representative adult (left) and fetal (right, 28 weeks' GA) brains. The characteristic adult heart-shaped configuration in the sagittal plane was used for SI identification on fetal scans.
- FIG 3.
Flow chart detailing inclusion and exclusion criteria.
- FIG 4.
Distribution of the number of fetuses as a function of GA.
- FIG 5.
Detection of the HG on sagittal (black line), coronal (gray line), and axial (light gray line) T2-weighted SSh MR images with increasing GA (in weeks).
- FIG 6.
SSh T2WI sagittal (upper row), coronal (middle row), and axial (lower row) MR images illustrating changes in HG morphology with increasing GA.
Tables
Frequencies of HG appearance in the three orthogonal planes according to GA groups
GA (week) Sagittal Plane (%) Coronal Plane (%) Axial Plane (%) 19–21 0 0 0 22–23 0 0 0 24–25 67 9.5 0 26–27 94 88.8 67 28–29 100 100 100 30–31 100 100 100 32–33 100 100 100 34–39 100 100 100
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