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37 Possible Causes for Open Posterior Fontanelle

  • Secondary Hypothyroidism

    Within the first month after birth, the patient manifested feeding difficulties, lethargy, persistent jaundice, umbilical hernia, and large anterior and open posterior fontanels[]

  • Hypothyroidism

    Newborn children with hypothyroidism may have normal birth weight and height (although the head may be larger than expected and the posterior fontanelle may be open).[]

  • Medullary Thyroid Carcinoma

    Radiographic examination revealed typical widely separated cranial sutures and an open anterior/posterior fontanel with an obtuse gonial angle, acroosteolysis, and osteosclerosis[]

  • Congenital Hypothyroidism

    Examination revealed facial puffiness, open posterior fontanelles, dry skin, cold peripheries and prominent abdominal veins with visible peristalsis.[] She was severely pale with a wide open and flat anterior fontanel (3 3 cm), open posterior fontanel, depressed nasal bridge, macroglossia, dry skin, and an umbilical hernia[] In fact, only about 5% of infants have detectable physical findings or symptoms at birth that may include: post-dates delivery macrosomia open posterior fontanelle umbilical[]

  • Autosomal Dominant Prognathism

    Posterior anterior view of skull reveals widened cranium and open anterior and posterior fontanelles.[] Lateral cephalogram revealed non-closure of sutures due delayed ossification of anterior fontanel, small wormian bones and enlargement of occiput was also obvious.[]

  • Cerebral Arteriovenous Malformation

    Physical signs of increased ICP: Lethargy, or a tense open anterior fontanel may be seen in infants with increased ICP.[] Global signs of increased ICP: Ataxia with nausea and vomiting can manifest as signs of increased ICP or with posterior fossa hemorrhage.[]

  • Multiple Congenital Anomalies

    On clinical evaluation, she had craniofacial dysmorphic features such as scaphocephaly, large anterior fontanelle with open posterior fontanelle, prominent occiput, triangular[]

  • Osteogenesis Imperfecta Type 15

    […] anterior and posterior fontanels, white or blue sclerae, death for respiratory insufficiency and pneumonias.[] […] hypoplastic/crushed, hip abducted and knees flexed, severe osteoporosis with intrauterine fractures and abnormal modeling, skull with severe undermineralization with wide-open[]

  • Familial Lambdoid Synostosis

    Cranial abnormalities include a coronal synostosis with wide-open anterior and posterior fontanelles and large parietal foramina.[] The anterior, posterior, sphenoid and mastoid fontanels are openings which close on their own as a part of normal growth.[] UID: 351066 • Concept ID: C1864186 • Disease or Syndrome A very rare condition with characteristics of craniosynostosis and clavicular hypoplasia, delayed closure of the fontanelle[]

  • Craniosynostosis

    The anterior, posterior, sphenoid and mastoid fontanels are openings which close on their own as a part of normal growth.[] The report describes the child as having a fused posterior fontanel, something that can’t be diagnosed by simple palpation, and an open but small anterior fontanel.[] The spaces between the bones within the fibrous tissues are called fontanels.[]

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