RT Journal Article SR Electronic T1 Transsphenoidal canal (large craniopharyngeal canal) and its pathologic implications. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 39 OP 43 VO 6 IS 1 A1 Currarino, G A1 Maravilla, K R A1 Salyer, K E YR 1985 UL http://www.ajnr.org/content/6/1/39.abstract AB A vertical conduit in the basisphenoid extending from the floor of the sella to the undersurface of this bone was observed in two children. There was no associated nasopharyngeal mass. A review of the literature on this defect and related subjects suggests a close relation between this lesion and transsphenoidal meningoencephalocele.