Familial incidence and associated symptoms in a population of individuals with nonsyndromic craniosynostosis

Jaclyn Greenwood, Pamela Flodman, Kathryn Osann, Simeon Boyd, Virginia Kimonis

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Purpose: Craniosynostosis is a common cranial malformation occurring in 1 per 2,000-2,500 births. Isolated defects (nonsyndromic) occur in ~75% of cases and are thought to have multifactorial etiology. It is believed that each suture synostosis is a distinct disease, with varying phenotypes and recurrence rates. Methods: We analyzed family histories of 660 mutation-negative nonsyndromic craniosynostosis patients and symptoms in 189 of these patients. Results: The incidence rate of craniosynostosis was highest for first-degree relatives of probands with metopic craniosynostosis (6.4%), followed by those with complex craniosynostosis (4.9%), sagittal craniosynostosis (3.8%), lambdoid craniosynostosis (3.9%), and coronal craniosynostosis (0.7%). Across all suture types, siblings had a greater craniosynostosis incidence rate than parents (7.5 vs. 2.3%). In phenotype comparisons, patients with complex craniosynostosis had the highest frequency of reported symptoms and those with sagittal craniosynostosis had the lowest. Ear infections, palate abnormalities, and hearing problems were more common in complex craniosynostosis patients. Visual problems were more common in coronal craniosynostosis, and metopic craniosynostosis patients noted increased frequency of chronic cough. Conclusion: Our data suggest that the genetic component of nonsyndromic craniosynostosis appears to be suture specific. The incidence rate of craniosynostosis among first-degree relatives varies by suture and family member. Additionally, the phenotype of each suture synostosis shows both unique and shared features.

Original languageEnglish (US)
Pages (from-to)302-310
Number of pages9
JournalGenetics in Medicine
Volume16
Issue number4
DOIs
StatePublished - 2014

Fingerprint

Craniosynostoses
Incidence
Population
Sutures
Synostosis
Phenotype
Palate
Cough
Hearing

Keywords

  • familial incidence
  • nonsyndromic craniosynostosis
  • symptoms

ASJC Scopus subject areas

  • Genetics(clinical)
  • Medicine(all)

Cite this

Familial incidence and associated symptoms in a population of individuals with nonsyndromic craniosynostosis. / Greenwood, Jaclyn; Flodman, Pamela; Osann, Kathryn; Boyd, Simeon; Kimonis, Virginia.

In: Genetics in Medicine, Vol. 16, No. 4, 2014, p. 302-310.

Research output: Contribution to journalArticle

Greenwood, Jaclyn ; Flodman, Pamela ; Osann, Kathryn ; Boyd, Simeon ; Kimonis, Virginia. / Familial incidence and associated symptoms in a population of individuals with nonsyndromic craniosynostosis. In: Genetics in Medicine. 2014 ; Vol. 16, No. 4. pp. 302-310.
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