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Diagnostic ultrasound ( PDFDrive )

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1024 PART IV Obstetric and Fetal Sonography

A B C

D

E

F

G H I

FIG. 28.10 Sonographic Views of Fetal Head and Face. In addition to the biparietal diameter and head circumference, required views of the

head include images of the cerebral ventricles, cerebellum, cavum of the septum pellucidum, midline falx, and nose and lips. Additional

views that can be obtained are angled views to demonstrate both sides of the choroid plexus and views through the anterior fontanelle or midline

sutures to demonstrate the corpus callosum as well as views of the orbits and proile. (A) Axial and (B) oblique axial images show cerebral ventricles

illed with choroid plexus. (C) Axial image shows cerebellum (arrow) and cavum of the septum pellucidum (arrowhead). (D) Transvaginal sagittal

view of the corpus callosum (arrows). Required view of the face is of the nose and lips. Additional views include orbits and proile. (E) Coronal

view of nose and lips. (F) Coronal view of orbits. (G) Sagittal view of facial proile. (H) and (I) Three-dimensional images of fetal face. See also

Video 28.4. (A and B courtesy of Dr. A. Toi.)

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