Congenital calvarial defects

Congenital calvarial defects are a group of disorders characterized by congenital calvarial bone defects that vary in severity.

Radiographic features

CT with 3D shaded surface reformats is the best imaging tool as it demonstrates calvarial defects and bone margins:

Differential diagnosis

Imaging differential considerations include:

  • lacunar skull
  • calvarial epidermoid/dermoid 
  • calvarial hemangioma
  • calvarial Langerhans cell histocytosis
  • calvarial metastasis 

Article information

rID: 47377
Section: Gamuts
Tag: cases, cases
Synonyms or Alternate Spellings:
  • Congenital skull defects

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Cases and figures

  • Case 1: giant parietal foramina
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  • Case 2: sinus pericranii
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  • Case 3: intraosseous arachnoid granulations
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  • Case 4: atretic cephalocele
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  • Case 5: cleidocranial dysostosis
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  • Case 6: acrania
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