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The average size of the anterior fontanel is 2.1 cm, and the median time of closure is 13.8 months. The most common causes of a large anterior fontanel or delayed fontanel closure are achondroplasia, hypothyroidism, ... Craniotabes can occur normally in premature infants and in children younger than six months.18,24,25...
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www.aafp.org/afp/20030615/2547.html
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Craniosynostosis (premature closure of the suture) can cause a misshaped head. Bone growth occurs perpendicular to the suture. If one suture is closed, compensatory growth will occur in the remaining open sutures.
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library.med.utah.edu/pedineurologicexam/html/06month.ht...
library.med.utah.edu/pedineurologicexam/html/06month.html
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Premature suture closure does not compromise brain growth and does not require surgery to open sutures. Intrauterine space constraints may play a role in the premature fusion of sutures in the fetal skull.2 This has been demonstrated in coronal craniosynostosis.
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emedicine.medscape.com/article/1175957-overview
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As previously discussed, the dura plays an important role in maintaining sutural patency and is a likely contributor to premature closure. ... All of our knowledge goes to show that an early closure of fontanel and suture is due to a primary failure of growth of the encephalon; not to the reverse, a failure of growth due to...
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emedicine.medscape.com/article/1280365-overview
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Premature closure of the fontanelle may mean that the bones of the skull are fusing too early. Should this happens, it could seriously impair the growth of the baby’s brain. One reason for measuring the baby’s head circumference during routine well-baby check-ups is to make sure that the skull is growing normally.
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www.pedialliance.com/index.cfm?action=articles&drill=su...
www.pedialliance.com/index.cfm?action=articles&drill=subArticle&uid=0&sub=108
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What is the risk of closed fontanella in 3 months old baby? ... There are two main risks in a premature closure of the fontanel - abnormal brain development and Carniosynostosis which is an early closure of one or more carnial sutures and cause an abnormal head shape. ...
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yedda.com/questions/medicine_baby_fontanella_health_504...
yedda.com/questions/medicine_baby_fontanella_health_5041465419916/
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Suture lines felt to be prominently ridged may be an indication of craniosynostosis or premature closure of the sutures. This results in an abnormally shaped head as the skull grows perpendicular to the suture line.
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www.pediatriceducation.org/2006/04/17/
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This page has changed. ... Please Click for Craniosynostosis...
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www.thamburaj.com/craniosynostosis.htm
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If the rate of head growth slows, then further evaluation will be necessary to make sure that the early closure of the fontanel is not associated with closure of the growth lines of the skull. Your daughter's head circumference should be measured at every checkup and be plotted on a head growth curve.
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www.askdrwarren.com/qa011231.htm
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