Transsphenoidal Encephalocele Associated with Agenesis of Corpus Callosum

Abstract
Transsphenoidal encephaloceles are rare congenital malformations [in man] classified among the medial dysraphias and associated with an agenesis of the corpus callosum. Clinically, the diagnosis is difficult, but hypertelorism and weakening eyesight should be of suggestive value. Diagnosis is basically radiological. In the past, it was founded on roentgenography, tomography of the base of the skull, pneumoencephalography and angiography when necessary. Now metrizamide computed cisternography using axial transverse and coronal sections, supplemented by sagittal reconstructions, allows for a complete examination of bony, meningeal and cerebral abnormalities.

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