[Trans-sphenoidal meningoencephaloventriculocele in an asymptomatic adult: case report]. / Meningoencefaloventriculocele transesfenoidal assintomática em adulto: relato de um caso.

We report a casual finding of a sphenoethmoidal meningoencephaloventriculocele in an adult patient that the tomography finding was misinterpreted as an expansive neoplastic lesion with malignant features. We alert for the rare site of localization of this malformative pathology.