DDx
Diagnostic Considerations
Other problems to be considered include the following:
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Apert syndrome
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Carpenter syndrome
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Chotzen syndrome
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Crouzon syndrome
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Hypercalcemia
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Hyperthyroidism
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Hypophosphatemia
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Kleeblattschädel (cloverleaf skull)
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Pfeiffer syndrome
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Positional molding
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Renal osteodystrophy
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Rickets
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Vitamin D deficiency
Differential Diagnoses
Media Gallery
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Diagram of a neonate's skull demonstrating the location of the sutures.
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Frontal view showing a fused and ridged metopic suture on 3-dimensional CT.
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CT image demonstrating features of secondary craniosynostosis with cerebral atrophy. Cerebral atrophy is not present in primary craniosynostosis.
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Positional molding. Note the anterior displacement of the right occiput and of the right frontal region on the same side, which differentiate positional molding from posterior plagiocephaly craniosynostosis.
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Posterior view of 3-dimensional cranial CT demonstrating early fusion of the lambdoid suture.
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Isolated fusion of the metopic suture. Note that the remaining sutures are open.
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Trigonocephaly. Note the triangular shape of the head.
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Infant with primary craniosynostosis. The specific deformity of the skull is Kleeblattschadel or cloverleaf skull.
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Skull deformities associated with single suture synostosis.
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Positional plagiocephaly. Note anterior position of the ear on the side with occipital flattening.
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Sagittal synostosis and the associated scaphocephaly seen on skull radiograph and 3-dimensional craniofacial CT scan.
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Sagittal synostosis before and after cranial vault surgery and the associate improvement of scaphocephaly.
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Unilateral coronal deformity with retrusion of the orbit and harlequin eye deformity. Note the ipsilateral deviation of the nasal radix and the contralateral deviation of the nasal tip.
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Fusion of coronal sutures bilaterally. Note the increase transverse dimension and retrusion of the orbital rim.
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Intraoperative view of bilateral coronal synostosis. Note the decreased anterior-posterior dimension, increased transverse width and retruded orbital rim.
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Pre- and postoperative photos of metopic synostosis. Note the prominent forehead keel corrected after surgical repair.
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