PMC4742480_01
Measurement of fetal goiter volume change using 2D and 3D ultrasonography. (A) Fetal goiter size at 25 weeks using 2D ultrasonography. Right (Rt) lobe (21x14) and left (Lt) lobe (26x22). (B) Fetal thyroid volume (6.6 cm3) at 29 weeks' gestation using 3D ultrasonography. (C) Fetal thyroid volume (4.9 cm3) at 37 weeks' gestation using 3D ultrasonography.
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F1
Sonography screening for routine check-up was performed at 25 weeks gestation and revealed a 21x14 (right lobe), 26x22 (left lobe)-mm-sized fetal neck mass (Fig. 1A). The thyroid volume was 6.6 cm3 at 29 weeks gestation (Fig. 1B) and 4.9 cm3 at 37 weeks gestation (Fig. 1C).