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20 Possible Causes for Anterior Fontanelle Open in Adults, Hypoplastic Paranasal Sinuses

  • Cleidocranial Dysplasia

    paranasal sinuses, including mastoids Delayed or defective dentition Abnormally retained primary teeth In adulthood, petrous bones may be sclerotic Chest Hypoplasia or absence[learningradiology.com] Additionally, there may be poor or absent pneumatisation of paranasal, frontal and mastoid, sphenoid sinuses [9].[jocr.co.in] Persistent metopic suture Midline suture in frontal bone Brachycephaly and prominent bossing Large mandible Nonunion of mandibular symphysis High narrow palate; may be cleft Hypoplastic[learningradiology.com]

  • Pyknodysostosis

    Lateral cephalogram showed hypoplastic paranasal sinuses with relative mandibular prognathism ( Fig. 3B ).[synapse.koreamed.org] paranasal sinuses, Wormian bones in the lambdoidal region, relative proptosis, beaked nose, and an obtuse mandibular gonial angle, often with relative prognathism. 3, 4,[ajnr.org] paranasal sinuses, wormian bones in the lambdoidal region, beaked nose, hypoplastic midface, and obtuse mandibular gonial angle, often with relative prognathism.[synapse.koreamed.org]

  • Pulmonary Bullous Emphysema

    . hypoplastic emphysema pulmonary emphysema due to a developmental abnormality, resulting in a reduced number of alveoli, which are abnormally large. interlobular emphysema[medical-dictionary.thefreedictionary.com] sinuses. fetal emphysema see emphysematous/putrescent fetus. generalized emphysema widespread distribution of air, including subcutaneous tissues, seen with pneumomediastinum[medical-dictionary.thefreedictionary.com] […] form in areas of lung tissue so that these areas do not contribute to respiration. conjunctival emphysema may occur after head trauma which permits escape of air from the paranasal[medical-dictionary.thefreedictionary.com]

    Missing: Anterior Fontanelle Open in Adults
  • Subcutaneous Emphysema

    . hypoplastic emphysema pulmonary emphysema due to a developmental abnormality, resulting in a reduced number of alveoli, which are abnormally large. interlobular emphysema[medical-dictionary.thefreedictionary.com] sinuses. fetal emphysema see emphysematous/putrescent fetus. generalized emphysema widespread distribution of air, including subcutaneous tissues, seen with pneumomediastinum[medical-dictionary.thefreedictionary.com] […] form in areas of lung tissue so that these areas do not contribute to respiration. conjunctival emphysema may occur after head trauma which permits escape of air from the paranasal[medical-dictionary.thefreedictionary.com]

    Missing: Anterior Fontanelle Open in Adults
  • Autosomal Dominant Prognathism

    […] frontal and mastoid sinuses, impacted supernumerary teeth.[amhsr.org] The cranial abnormalities include wide-open sutures, patent fontanels, presence of wormian bones and delayed ossification of skull, decreased pneumatization of paranasal,[amhsr.org] Chest X-ray shows cone shaped thorax with narrow upper thoracic diameter, absent or hypoplastic clavicles and scapulae.[ 9 ] Pseudoarthrosis can be considered as differential[amhsr.org]

    Missing: Anterior Fontanelle Open in Adults
  • Mandibulofacial Dysostosis

    paranasal sinuses ocular downward slanting palpebral fissures, due to lack of support from zygoma absent eyelids of the lower inner third of the eye notched iris notched[radiopaedia.org] […] aplasia of the external auditory meatus conductive hearing defects are present nasal obliteration of the nasofrontal angle with narrow nares hypoplasia of the alar cartilages hypoplastic[radiopaedia.org]

    Missing: Anterior Fontanelle Open in Adults
  • Communicating Hydrocephalus

    fontanelle when it is still open) Findings: enlarged lateral ventricles MRI (preferred for children) or CT Indication: older infants (when fontanelle is already closed, typically[amboss.com] 6 months of age) or adults Features of acute hydrocephalus: enlarged ventricles Temporal horn dilation 2 mm Evans ratio 30% Sulcal enlargement Mickey Mouse ventricles Upward[amboss.com] Changes in vital signs resulting from brainstem compression Ultrasonography Indication: clinical suspicion during antenatal period or in infants 6 months of age (through the anterior[amboss.com]

    Missing: Hypoplastic Paranasal Sinuses
  • Familial Lambdoid Synostosis

    The paranasal sinuses were hypoplastic. All these imaging findings along with the supporting history were consistent with primary isolated craniosynostosis.[annalsofian.org] The frontal paranasal sinuses are hypoplastic Click here to view Figure 3: Volume-rendered computed tomography (CT) image (a) shows deformed skull with sutural closure and[annalsofian.org]

    Missing: Anterior Fontanelle Open in Adults
  • Atrophic Rhinitis

    Plain xrays show lateral bowing of nasal walls, thin orabsent turbinates and hypoplastic maxillary sinuses. CT scan findings: 1.[practo.com] Plain xrays show lateral bowing of nasal walls, thin or absent turbinates and hypoplastic maxillary sinuses. CT scan findings: 1.[drtbalu.co.in] Hypoplastic maxillary sinuses 4.[archive.org]

    Missing: Anterior Fontanelle Open in Adults
  • Acquired Osteosclerosis

    Facial bones and paranasal sinuses are hypoplastic, and the mandibular angle is obtuse.[msdmanuals.com]

    Missing: Anterior Fontanelle Open in Adults

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