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Benign subdural collections of infancy.

W C Robertson, R W Chun, W W Orrison

The Journal of Pediatrics

|March 1, 1979

Summary

Subdural fluid collections in infants can cause macrocrania and excessive head transillumination. Despite CT scans mimicking cerebral atrophy, infants showed normal development, suggesting these findings may not indicate significant neurological damage.

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Area of Science:

Pediatric Neurology
Neuroradiology
Infant Neurodevelopment

Background:

Subdural collections of fluid in infants are uncommon.
This study investigated six infants with subdural fluid collections.

Observation:

All patients presented with macrocrania and excessive head transillumination.
Rapid head growth was observed in most infants, yet five remained asymptomatic.
Subdural taps confirmed abnormal fluid collections, consistent with effusion or hematoma.

Findings:

Computerized tomography (CT) revealed ventricular enlargement, wide cerebral sulci, and decreased density over convexities.
Specific CT findings included anterior temporal hypodensity, enlarged sylvian cisterns, and prominent interhemispheric fissures.
These CT features mimicked cerebral atrophy.

Implications:

The findings suggest that subdural fluid collections in infants may present with imaging findings similar to cerebral atrophy.
Despite concerning CT results, normal psychomotor development and neurological examinations were noted.
This highlights the importance of correlating imaging findings with clinical assessments in infants.

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