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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Meckel cave/petrous apex cephaloceles. (A) Axial CISS and (B) postcontrast coronal T1W images show well-defined expansion of both Meckel caves with CSF signal intensity extending to the anterior margins of the petrous apices (arrows).