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Am J Med Genet A. 2010 Jun;152A(6):1450-7. doi: 10.1002/ajmg.a.33381.

The morphology of the sella turcica in velocardiofacial syndrome suggests involvement of a neural crest developmental field.

Author information

1
Copenhagen Cleft Palate Centre, University Hospital of Copenhagen, Hellerup, Denmark. kimope@hav1.regionh.dk

Abstract

We described the morphology of the sella turcica in individuals with velocardiofacial syndrome (VCFS), also known as chromosome 22q11.2 deletion syndrome, and compared the morphology with that of a control group of individuals from the Oslo University Craniofacial Growth Archive. The aim was to measure the cranial base angles in individuals with VCFS and, if possible, to discover the developmental field that may be involved in the condition. The study included 33 patients with VCFS from the Copenhagen Cleft Palate Center, Denmark. The genotype was confirmed by fluorescence in situ hybridization. The morphology of the sella turcica was described and measurements of the cranial base angles were performed on lateral cephalometric radiographs. The VCFS individuals had larger deviations in the morphology of the sella turcica compared to individuals from the Oslo University Craniofacial Growth archive. The deviations were mostly in the posterior part of the dorsum sellae. Individuals with VCFS had increased cranial base angles. The results of this study combined with the information in the literature on the main defects in VCFS (palatal abnormalities, cardiac anomalies, thymic hypoplasia or aplasia, hypothyroidism, and posterior brain abnormality), suggest involvement of a specific developmental field.

PMID:
20503320
DOI:
10.1002/ajmg.a.33381
[Indexed for MEDLINE]

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