Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Etiology/Pathophysiology:
A chronic sequelae of an acute skull fracture which is complicated by
an underlying dural tear. There is leakage of CSF from the underlying
pia-arachnoid with protrusion of leptomeninges through the dural
defect followed which is followed by formation of an encapsulated
cyst. Continuous pulsatile CSF pressure causes the cyst to expand
causing progressive erosion of the cranial vault. The enlarging cyst
can also compress the underlying brain and cerebral cortex can
herniate through the bony defect.
Pathology:
Not applicable
Imaging Findings:
Plain film showa a wide skull defect with smooth sclerotic edges at
the site of a previous fracture.
A CT exam can be used to assess for underlying cerebral anomalies.
DDX:
References:
See References Chapter.
Additional pediatric resources: GeneralPediatrics.com | PediatricEducation.org | SearchingPediatrics.com
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