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Diagnostic ultrasound ( PDFDrive )

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1162 PART IV Obstetric and Fetal Sonography

A

B

C

D

E

FIG. 33.33 Fetal Goiter. (A) and (B) Twodimensional

and three-dimensional images of neck

hyperextension in fetus with goiter at 24 weeks’

gestation. (C) Different fetus at 30 weeks’ gestation

with goiter. Coronal sonogram shows bilaterally

enlarged thyroid lobes (arrows) surrounding the normal

midline trachea. (D) Axial and (E) coronal magnetic

resonance images show that the enlarged fetal thyroid

gland (arrows) does not compromise the airway.

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