Intrasphenoidal encephaloceles?a clinical entity

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Abstract
In the current classification basal encephaloceles are grouped together with real transsphenoidal encephaloceles. But those encephaloceles extending only into but not through the sphenoid sinus seem to represent a specific clinical entity and therefore should be regarded as a rare subgroup of sphenoidal encephaloceles. One personal case and six cases from the literature are reviewed, the own case being associated with an empty sella turcica. The initial sign is rhinorrhea, almost invariably. The association with other intracranial anomalies is uncommon. The extradural transsphenoidal or transethmoidal midline approach accompanied by a shunting procedure today is the most suitable method of surgical treatment.