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Related Experiment Videos

External hydrocephalus in infants.

H Andersson, J Elfverson, P Svendsen

    Child'S Brain
    |January 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    External hydrocephalus in infants involves fluid buildup without ventricle enlargement. Treatment with shunts is not recommended, as the condition typically resolves naturally, normalizing head growth.

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    Area of Science:

    • Pediatric Neurology
    • Neurosurgery
    • Radiology

    Background:

    • External hydrocephalus is characterized by increased pressure and fluid accumulation in the subarachnoid space.
    • It presents with abnormal head growth and transillumination in infants, but without ventricular dilation.

    Purpose of the Study:

    • To investigate the clinical course and optimal management of infants diagnosed with external hydrocephalus.
    • To evaluate the necessity of surgical intervention, such as shunting, for this condition.

    Main Methods:

    • Nine infants with pathologically increasing head circumference and abnormal transillumination were studied.
    • Diagnostic imaging included pneumoencephalography (PEG) and/or computed tomography (CT) to assess sulcal and ventricular dimensions.
    • Surgical exploration (craniotomy) was performed in 7 patients; 2 patients received shunts.

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    Main Results:

    • CT scans revealed widened sulci frontally, parietally, and interhemispherically, but no ventricular widening.
    • Exploratory craniotomy identified a deep subarachnoid space in most patients.
    • Follow-up CT examinations demonstrated normalization of the subarachnoid space and head growth in all patients.

    Conclusions:

    • Infants presenting with clinical signs of hydrocephalus and a CT pattern of external hydrocephalus should not undergo shunting.
    • The widened subarachnoid space and accelerated head growth associated with external hydrocephalus are expected to resolve spontaneously.
    • Conservative management is suggested, as the condition typically normalizes without intervention.