Presentation
Enlarged head circumference.
Patient Data
Age: Infant
From the case:
Widened fontanelles
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Single axial CT image demonstrates markedly widened trigones of the lateral ventricles. 3D surface shaded reconstruction demonstrates markedly widened fontanelles.
Case Discussion
Infant with marked dilatation of the trigones of the lateral ventricles (colpocephaly) has widened fontanelles. Unfortunately the rest of the images are not available and the cause of the abnormality is not known.
It is important to remember that prior to fusion of the sutures, changes in ventricular size or brain parenchyma result in changes in head circumference rather (to a much greater extent than in those with fused skulls) than rises in intracranial pressure.
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