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Diagnostic ultrasound ( PDFDrive )

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FIG. 33.25 Bilateral Complete Cleft Lip and Palate. (A) Axial sonogram of 18-week fetus with bilateral complete cleft lip and palate shows

bilateral clefts in the tooth-bearing alveolus of the maxilla, with two tooth buds (T) displaced anteriorly in the intermaxillary segment. (B) Sagittal

sonogram shows protrusion of the intermaxillary segment of the maxilla (arrow). (C) and (D) Oblique axial and sagittal MR images show bilateral

cleft lip and the anteriorly displaced intermaxillary segment of the maxilla (arrow). (E) In a different fetus at 22 weeks with Pfeiffer syndrome,

axial magnetic resonance imaging shows bilateral cleft palate with displaced intermaxillary segment of the maxilla (arrow) (see also Fig. 33.13). (F)

Postnatal three-dimensional computed tomography reconstruction shows coronal craniosynostosis and the marked anterior position of the intermaxillary

segment (arrow).

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